{"product_id":"208-3384-060-five-inch-pp","title":"Sample Preparation Columns, 5\", PP, Medium Filter (45–90 µm), Non-Sterile, 200\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 5\" Sample Preparation Columns, PP with Medium Filters (45–90 µm), Non-Sterile, 200\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 5\" Sample Preparation Columns\u003c\/strong\u003e are molded from chemically robust polypropylene and fitted with medium-porosity filters (45–90 µm) for reproducible gravity-flow separations. Bench scientists rely on these columns for solid-phase extraction, peptide and oligonucleotide synthesis cleanup, and routine resin packing where consistent flow and low non-specific binding matter.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSample Preparation Column\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter \/ Frit\u003c\/td\u003e\n\u003ctd\u003eMedium porosity, 45–90 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e200\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\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) sample cleanup prior to LC-MS or HPLC\u003c\/li\u003e\n\u003cli\u003eGravity-flow resin packing for small-scale chromatography\u003c\/li\u003e\n\u003cli\u003ePeptide and oligonucleotide synthesis washing and cleavage steps\u003c\/li\u003e\n\u003cli\u003eAffinity and ion-exchange resin batch purification\u003c\/li\u003e\n\u003cli\u003eSample desalting and buffer exchange workflows\u003c\/li\u003e\n\u003cli\u003eGel filtration and size-based separations using packed media\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 these columns from US inventory and Made in USA. Each bag carries a lot number to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for repeat and high-volume procurement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the \"medium\" filter rating of 45–90 microns mean?\u003c\/h3\u003e\n\u003cp\u003eMedium-porosity frits retain resin beads and particulates in the 45–90 µm range while allowing buffers and eluates to pass under gravity. This balance suits most general-purpose SPE and resin-packing workflows.\u003c\/p\u003e\n\u003ch3\u003eAre these columns sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These columns ship non-sterile. For applications requiring sterility, users should validate an appropriate sterilization method compatible with polypropylene.\u003c\/p\u003e\n\u003ch3\u003eWhat is the column material and is it solvent compatible?\u003c\/h3\u003e\n\u003cp\u003eThe columns are molded from polypropylene (PP), which offers broad compatibility with aqueous buffers and many common organic solvents used in sample preparation. Verify specific solvent exposure against your protocol.\u003c\/p\u003e\n\u003ch3\u003eHow many columns come in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach unit of sale is 200\/Bag. The bag is lot-numbered for traceability, and tiered pricing applies to larger orders.\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 Medium Filters (45–90 µm), PP, Non-Sterile, 200\/Bag\",\n  \"sku\": \"208-3384-060\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/labsupplies.com\/products\/208-3384-060\",\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 does the \\\"medium\\\" filter rating of 45–90 microns mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Medium-porosity frits retain resin beads and particulates in the 45–90 µm range while allowing buffers and eluates to pass under gravity. This balance suits most general-purpose SPE and resin-packing workflows.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these columns sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These columns ship non-sterile. For applications requiring sterility, users should validate an appropriate sterilization method compatible with polypropylene.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the column material and is it solvent compatible?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The columns are molded from polypropylene (PP), which offers broad compatibility with aqueous buffers and many common organic solvents used in sample preparation. Verify specific solvent exposure against your protocol.\"\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 200\/Bag. The bag is lot-numbered for traceability, and tiered pricing applies to larger orders.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48555949850856,"sku":"2083384060E1","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_ce669050-d543-4f83-bbf6-4460823263e5.jpg?v=1778723690","url":"https:\/\/labsupplies.com\/products\/208-3384-060-five-inch-pp","provider":"LabSupplies.com","version":"1.0","type":"link"}