{"product_id":"high-purity-di-system-4-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-501p","title":"Yamato WH501P High Purity Di System- 4-1\/2\" Diameter (10\" Carbon, (2) 20\" Mixed Bed, \u0026 200 K Di Light)","description":"\u003ch2\u003eHigh Purity Di System- 4-1\/2\" Diameter (10\" Carbon, (2) 20\" Mixed Bed, \u0026amp; 200 K Di Light) Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHigh Purity Di System- 4-1\/2\" Diameter (10\" Carbon, (2) 20\" Mixed Bed, \u0026amp; 200 K Di Light)\u003c\/strong\u003e, model WH501P, is a cartridge deionization water purification system from Yamato Scientific. Built around a 10\" carbon stage, two 20\" mixed-bed cartridges, and a 200K DI monitor light, it delivers Type 2 and Type 3 deionized water at the point of use. LabSupplies.com stocks the unit as an authorized dealer.\u003c\/p\u003e\n\u003cp\u003eEach cartridge housing is molded from polypropylene to resist the aggressive chemistry of high-purity water. The 4.5\" diameter format pairs activated-carbon pretreatment with a dual mixed-bed resin train for sequential filtration and ion exchange. A 200K DI monitor light signals deionized-water quality throughout operation.\u003c\/p\u003e\n\u003cp\u003eManufactured in the United States, the assembled system weighs 55 lbs and ships in a 26 × 26 × 12 in footprint. Polypropylene construction plus the integrated monitor light support both feed-water polishing and point-of-use deionized water. ISO 9001:2015 documentation is available through LabSupplies.com on request.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-stage cartridge train:\u003c\/strong\u003e 10\" activated-carbon cartridge followed by two 20\" mixed-bed cartridges for sequential filtration and ion exchange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200K DI monitor light:\u003c\/strong\u003e visual indication of deionized-water quality during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 2 and Type 3 output:\u003c\/strong\u003e produces deionized water suitable for point-of-use and feed-water polishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene housing:\u003c\/strong\u003e filter housings molded from polypropylene to withstand high-purity water chemistry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.5\" diameter format:\u003c\/strong\u003e compact cartridge geometry sized for bench and point-of-use installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e manufactured in the United States with ISO 9001:2015 documentation available on request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Water Purification System\u003c\/h2\u003e\n\u003cp\u003eSelecting a deionization system comes down to matching output water quality, cartridge chemistry, and footprint to your workflow. Weigh the following axes against your lab's feed water and point-of-use demands.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater quality grade:\u003c\/strong\u003e confirm whether your protocol calls for Type 2 or Type 3 deionized water, which this system is configured to deliver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCartridge configuration:\u003c\/strong\u003e carbon pretreatment removes organics and chlorine, while mixed-bed resin handles ion exchange; match the stage count to your contaminant load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing material:\u003c\/strong\u003e polypropylene resists high-purity water chemistry and is the standard for DI service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootprint and weight:\u003c\/strong\u003e verify the 26 × 26 × 12 in shipping envelope and 55 lb weight against your bench or floor space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality monitoring:\u003c\/strong\u003e an integrated DI light indicates when resin output drifts, signaling cartridge change-out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication fit:\u003c\/strong\u003e decide between dedicated point-of-use polishing and feed-water conditioning for downstream instruments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eCartridge deionization (DI) water system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eHigh-purity DI cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCartridge Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Water\u003c\/td\u003e\n\u003ctd\u003eDeionized water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePoint-of-use deionized water; feed-water polishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (filter housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN (Barcode)\u003c\/td\u003e\n\u003ctd\u003e797059929566\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003e26 × 26 × 12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eISO 9001:2015\u003c\/td\u003e\n\u003ctd\u003eContact Customer Service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Sizes and Configurations\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWH-501P\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocumentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dropbox.com\/s\/xrh344zkqkwdpbc\/WH%20Series%20Auto%20Pure%20Water%20Purifier.pdf?dl=2\" target=\"_blank\" rel=\"noopener\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.yamato-usa.com\/shop\/type-2-3-three-stage-lab-water-purification-system-95?category=25#attr=232\" target=\"_blank\" rel=\"noopener\"\u003eYamato Scientific Official Product Page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMore in This Series\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/distilled-deionized-water-purification-system-1-8l-hr-20l-tank-with-external-transformer-wg-205\"\u003eDistilled \/ Deionized Water Purification System ~1.8L\/Hr. 20L Tank With External Transformer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/distilled-deionized-water-purification-system-1-8l-hr-30l-tank-with-external-transformer-wg-253-115v\"\u003eDistilled \/ Deionized Water Purification System ~1.8L\/Hr. 30L Tank With External Transformer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/distilled-deionized-waterpurification-system-1-8l-hr-30l-tank-with-external-transformer-wg-253-220v\"\u003eDistilled \/ Deionized Waterpurification System ~1.8L\/Hr. 30L Tank With External Transformer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/distilled-deionized-water-purification-system-5l-hr-100l-tank-single-phase-with-external-transformer-wg-1013\"\u003eDistilled \/ Deionized Water Purification System ~5L\/Hr. 100L Tank Single Phase With External Transformer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/deionized-water-purification-system-0-5-1-0l-min-115-we-200\"\u003eDeionized Water Purification System 0.5~1.0L\/Min 115\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-or-wall-mount-base-system-60hz-wa-301b\"\u003eBenchtop Or Wall Mount Base System, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-or-wall-mount-base-system-50hz-wa-311b\"\u003eBenchtop Or Wall Mount Base System, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-base-system-60hz-wa-301r\"\u003eRemote Dispense Configuration Base System, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-base-system-50hz-wa-311r\"\u003eRemote Dispense Configuration Base System, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-oxidation-lamp-installed-60hz-wc-301uvb\"\u003eBenchtop - With Uv Oxidation Lamp Installed, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-oxidation-lamp-installed-50hz-wc-311uvb\"\u003eBenchtop - With Uv Oxidation Lamp Installed, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-oxidation-lamp-and-toc-monitor-60hz-wc-301uvtb\"\u003eBenchtop - With Uv Oxidation Lamp And Toc Monitor \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-oxidation-lamp-and-toc-monitor-50hz-wc-311uvtb\"\u003eBenchtop - With Uv Oxidation Lamp And Toc Monitor \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-with-uv-oxidation-lamp-60hz-wc-301uvr\"\u003eRemote Dispense Configuration - With Uv Oxidation Lamp, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-with-uv-oxidation-lamp-50hz-wc-311uvr\"\u003eRemote Dispense Configuration - With Uv Oxidation Lamp, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-with-uv-oxidation-lamp-and-toc-monitor-60hz-wc-301uvtr\"\u003eRemote Dispense - With Uv Oxidation Lamp And Toc Monitor \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-with-uv-oxidation-lamp-and-toc-monitor-50hz-wc-311uvtr\"\u003eRemote Dispense - With Uv Oxidation Lamp And Toc Monitor \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-ultrafiltration-module-60hz-wb-301ufb\"\u003eBenchtop - With Ultrafiltration Module, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-ultrafiltration-module-50hz-wb-311ufb\"\u003eBenchtop - With Ultrafiltration Module, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-with-ultrafiltration-module-60hz-wb-301ufr\"\u003eRemote Dispense Configuration - With Ultrafiltration Module, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-with-ultrafiltration-module-50hz-wb-311ufr\"\u003eRemote Dispense Configuration - With Ultrafiltration Module, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-and-uf-installed-60hz-wg-301uvufb\"\u003eBenchtop - With Uv And Uf Installed, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-and-uf-installed-50hz-wg-311uvufb\"\u003eBenchtop - With Uv And Uf Installed, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-uf-and-toc-monitor-installed-60hz-wg-301uvuftb\"\u003eBenchtop - With Uv, Uf And Toc Monitor Installed, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/benchtop-with-uv-uf-and-toc-monitor-installed-50hz-wg-311uvuftb\"\u003eBenchtop - With Uv, Uf And Toc Monitor Installed, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-with-uv-and-uf-installed-60hz-wg-301uvufr\"\u003eRemote Dispense Configuration - With Uv And Uf Installed, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-configuration-with-uv-and-uf-installed-50hz-wg-311uvufr\"\u003eRemote Dispense Configuration - With Uv And Uf Installed, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-with-uv-uf-and-toc-monitor-installed-60hz-wg-301uvuftr\"\u003eRemote Dispense - With Uv, Uf And Toc Monitor Installed, \/60Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/remote-dispense-with-uv-uf-and-toc-monitor-installed-50hz-wg-311uvuftr\"\u003eRemote Dispense - With Uv, Uf And Toc Monitor Installed, \/50Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/direct-feed-option-factory-installed-ari-aradf\"\u003eDirect Feed Option (Factory Installed)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wall-mount-bracket-ari-arawb\"\u003eWall Mount Bracket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dispensing-gun-option-factory-installed-ari-aradg\"\u003eDispensing Gun Option (Factory Installed)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/high-purity-di-system-2-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-201p\"\u003eHigh Purity Di System - 2-1\/2\" Diameter (10\" Carbon, (2) 20\" Mixed Bed, \u0026amp; 200 K Di Light)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/high-capacity-di-system-2-1-2-diameter-10-carbon-2-20-high-capacity-di-20-k-di-light-wh-201c\"\u003eHigh Capacity Di System - 2-1\/2\" Diameter (10\" Carbon, (2) 20\" High Capacity Di, \u0026amp; 20 K Di Light)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/high-capacity-di-system-4-1-2-diameter-10-carbon-2-20-high-capacity-di-20-k-di-light-wh-501c\"\u003eHigh Capacity Di System- 4-1\/2\" Diameter (10\" Carbon, (2) 20\" High Capacity Di, \u0026amp; 20 K Di Light)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy From LabSupplies.com\u003c\/h2\u003e\n\u003cp\u003eLabSupplies.com supplies the WH501P high-purity DI system as an authorized Yamato Scientific dealer, so every unit is genuine and backed by the manufacturer warranty. Order directly and ship from in-stock USA inventory.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Yamato Scientific dealer:\u003c\/strong\u003e genuine equipment with full manufacturer warranty coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn stock:\u003c\/strong\u003e ready to ship from USA inventory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-equipment specialists:\u003c\/strong\u003e dedicated support for spec and configuration questions.\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat water quality does the WH501P produce?\u003c\/h3\u003e\u003cp\u003eThe WH501P produces Type 2 and Type 3 deionized water. Its carbon and dual mixed-bed cartridge train conditions feed water for point-of-use and polishing applications.\u003c\/p\u003e\n\u003ch3\u003eWhat is the cartridge configuration on this system?\u003c\/h3\u003e\u003cp\u003eThis 4.5\" diameter system uses a 10\" activated-carbon cartridge plus two 20\" mixed-bed cartridges. Carbon pretreats the water and the mixed-bed resin performs ion exchange.\u003c\/p\u003e\n\u003ch3\u003eWhat does the 200K DI light indicate?\u003c\/h3\u003e\u003cp\u003eThe 200K DI monitor light provides a visual indication of deionized-water quality during operation. Use it to track resin performance and time cartridge replacement.\u003c\/p\u003e\n\u003ch3\u003eWhat material is the filter housing made from?\u003c\/h3\u003e\u003cp\u003eThe filter housing is molded from polypropylene. Polypropylene resists the aggressive chemistry of high-purity deionized water, making it standard for DI service.\u003c\/p\u003e\n\u003ch3\u003eWhat are the dimensions and weight of the WH501P?\u003c\/h3\u003e\u003cp\u003eThe WH501P ships within a 26 × 26 × 12 in footprint and weighs 55 lbs. Confirm your bench or floor space against these figures before installation.\u003c\/p\u003e\n\u003ch3\u003eWhere is the WH501P manufactured?\u003c\/h3\u003e\u003cp\u003eThe WH501P is manufactured in the United States. ISO 9001:2015 quality documentation is available through LabSupplies.com on request.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"@id\": \"https:\/\/labsupplies.com\/products\/high-purity-di-system-4-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-501p#product\",\n      \"name\": \"Yamato WH501P High Purity Di System- 4-1\/2\\\" Diameter (10\\\" Carbon, (2) 20\\\" Mixed Bed, \u0026 200 K Di Light)\",\n      \"sku\": \"WH-501P\",\n      \"mpn\": \"WH-501P\",\n      \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Yamato Scientific\"\n      },\n      \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Yamato Scientific\"\n      },\n      \"url\": \"https:\/\/labsupplies.com\/products\/high-purity-di-system-4-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-501p\",\n      \"dateModified\": \"2026-06-29\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"2075.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/high-purity-di-system-4-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-501p\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059929566\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/WH501.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"WH501P high-purity DI system: 10\\\" carbon + dual 20\\\" mixed-bed cartridges, 200K DI light, Type 2\/3 water. 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Authorized Yamato dealer, ships USA.\"\n    },\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"itemListElement\": [\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 1,\n          \"name\": \"Home\",\n          \"item\": \"https:\/\/labsupplies.com\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 2,\n          \"name\": \"Water Purification System\",\n          \"item\": \"https:\/\/labsupplies.com\/collections\/water-purification-system\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"name\": \"Yamato WH501P High Purity Di System- 4-1\/2\\\" Diameter (10\\\" Carbon, (2) 20\\\" Mixed Bed, \u0026 200 K Di Light)\",\n          \"item\": \"https:\/\/labsupplies.com\/products\/high-purity-di-system-4-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-501p\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What water quality does the WH501P produce?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The WH501P produces Type 2 and Type 3 deionized water. Its carbon and dual mixed-bed cartridge train conditions feed water for point-of-use and polishing applications.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the cartridge configuration on this system?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"This 4.5\\\" diameter system uses a 10\\\" activated-carbon cartridge plus two 20\\\" mixed-bed cartridges. Carbon pretreats the water and the mixed-bed resin performs ion exchange.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What does the 200K DI light indicate?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The 200K DI monitor light provides a visual indication of deionized-water quality during operation. Use it to track resin performance and time cartridge replacement.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What material is the filter housing made from?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The filter housing is molded from polypropylene. Polypropylene resists the aggressive chemistry of high-purity deionized water, making it standard for DI service.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What are the dimensions and weight of the WH501P?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The WH501P ships within a 26 × 26 × 12 in footprint and weighs 55 lbs. Confirm your bench or floor space against these figures before installation.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Where is the WH501P manufactured?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The WH501P is manufactured in the United States. ISO 9001:2015 quality documentation is available through LabSupplies.com on request.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Yamato Scientific","offers":[{"title":"EA","offer_id":48693272445160,"sku":"WH-501P","price":2075.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/WH501.png?v=1782745741","url":"https:\/\/labsupplies.com\/products\/high-purity-di-system-4-1-2-diameter-10-carbon-2-20-mixed-bed-200-k-di-light-wh-501p","provider":"LabSupplies.com","version":"1.0","type":"link"}