{"product_id":"208-3385-060-five-inch-pp","title":"Sample Preparation Columns, 5\" PP with Fine Filters (15–45 µm), Non-Sterile, 200\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 5\" Sample Preparation Columns, Polypropylene with Fine Filters (15–45 µm), Non-Sterile, 200\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 5\" Sample Preparation Columns\u003c\/strong\u003e are molded polypropylene gravity-flow columns fitted with integral 15–45 µm fine filters, supplied non-sterile in bags of 200. These columns suit solid-phase extraction, resin-bed chromatography, and routine sample cleanup where consistent flow and low extractables matter at the bench.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eSample Preparation Columns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003e5\" column length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter\u003c\/th\u003e\n\u003ctd\u003eFine filter, 15–45 micron pore size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSterility\u003c\/th\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003e200\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSolid-phase extraction (SPE) of small-molecule analytes prior to LC-MS\u003c\/li\u003e\n\u003cli\u003eGravity-flow chromatography with packed resin or gel beds\u003c\/li\u003e\n\u003cli\u003ePeptide and protein desalting and buffer exchange workflows\u003c\/li\u003e\n\u003cli\u003eSample cleanup and particulate removal ahead of analytical injection\u003c\/li\u003e\n\u003cli\u003eAffinity and ion-exchange resin screening in method development\u003c\/li\u003e\n\u003cli\u003eBatch processing of environmental and clinical research extracts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory, and these columns are Made in USA. Each bag carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for volume procurement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the filter pore size in these columns?\u003c\/h3\u003e\n\u003cp\u003eThe columns include an integral fine filter rated at 15–45 microns, suitable for retaining packed resin beds while allowing controlled gravity flow of liquid samples.\u003c\/p\u003e\n\u003ch3\u003eAre these sample preparation columns sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These columns are supplied non-sterile. If your protocol requires sterility, perform validated autoclaving or use a sterile alternative compatible with your workflow.\u003c\/p\u003e\n\u003ch3\u003eWhat is the column made from?\u003c\/h3\u003e\n\u003cp\u003eThe column body is molded polypropylene (PP), chosen for low extractables and broad compatibility with common aqueous and organic sample preparation buffers.\u003c\/p\u003e\n\u003ch3\u003eHow many columns come in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach unit of sale is one bag containing 200 columns (200\/Bag), priced per pack for bulk laboratory and core-facility use.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 5\\\" Sample Preparation Columns with Fine Filters (15–45 µm), Non-Sterile, PP, 200\/Bag\",\n  \"sku\": \"208-3385-060\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"136.17\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"labsupplies.com\"\n    }\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the filter pore size in these columns?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The columns include an integral fine filter rated at 15–45 microns, suitable for retaining packed resin beds while allowing controlled gravity flow of liquid samples.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these sample preparation columns sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These columns are supplied non-sterile. If your protocol requires sterility, perform validated autoclaving or use a sterile alternative compatible with your workflow.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the column made from?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The column body is molded polypropylene (PP), chosen for low extractables and broad compatibility with common aqueous and organic sample preparation buffers.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many columns come in each pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each unit of sale is one bag containing 200 columns (200\/Bag), priced per pack for bulk laboratory and core-facility use.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48555949916392,"sku":"2083385060E1","price":136.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/208-3383-060_01_861eb6cf-03cb-4949-936f-15a064cb1f3b.jpg?v=1778723692","url":"https:\/\/labsupplies.com\/products\/208-3385-060-five-inch-pp","provider":"LabSupplies.com","version":"1.0","type":"link"}