{"product_id":"208-3383-060-five-inch-pp","title":"Sample Preparation Columns, 5\" PP with Coarse Filters (90-135 µm), Non-Sterile, 200\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 5\" Polypropylene Sample Preparation Columns with Coarse Filters (90-135 µm), Non-Sterile, 200\/Bag\u003c\/h1\u003e\n\u003cp\u003eThese \u003cstrong\u003e5\" Sample Preparation Columns with Coarse Filters\u003c\/strong\u003e are molded from polypropylene (PP) and fitted with an integral 90-135 micron coarse frit, supporting gravity-flow purification, solid-phase extraction, and resin-based separations. The open-column format suits manual loading of beads, gels, and slurry resins in protein and nucleic-acid workflows.\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 Columns with Coarse Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColumn Length\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\u003eCoarse, 90-135 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\u003eGravity-flow chromatography with packed bead or gel resins\u003c\/li\u003e\n\u003cli\u003eManual solid-phase extraction (SPE) of biological samples\u003c\/li\u003e\n\u003cli\u003eAffinity and ion-exchange resin purification of proteins\u003c\/li\u003e\n\u003cli\u003eDesalting and buffer-exchange preparation steps\u003c\/li\u003e\n\u003cli\u003eCoarse filtration of slurries to retain large particulates while passing liquid\u003c\/li\u003e\n\u003cli\u003eBench-scale sample cleanup ahead of HPLC or mass-spec analysis\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, with these columns 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 on bulk orders—contact our procurement team for volume quotes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat pore size is the coarse filter in these columns?\u003c\/h3\u003e\n\u003cp\u003eThe integral frit is a coarse-grade filter rated at 90-135 microns, designed to retain larger particulates and resin beads while allowing liquid to flow through under gravity.\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, validate an appropriate decontamination method compatible with polypropylene before use.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the columns made from?\u003c\/h3\u003e\n\u003cp\u003eThe columns are molded from polypropylene (PP), which offers broad chemical tolerance for common aqueous buffers, salts, and many organic solvents used in sample prep.\u003c\/p\u003e\n\u003ch3\u003eHow are these columns packaged and sold?\u003c\/h3\u003e\n\u003cp\u003eThey are sold 200 columns per bag (200\/Bag). Pricing is per pack, and tiered institutional or grant pricing is available for larger quantities.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 5\\\" Polypropylene Sample Preparation Columns with Coarse Filters (90-135 µm), Non-Sterile, 200\/Bag\",\n  \"sku\": \"208-3383-060\",\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 pore size is the coarse filter in these columns?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The integral frit is a coarse-grade filter rated at 90-135 microns, designed to retain larger particulates and resin beads while allowing liquid to flow through under gravity.\"\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, validate an appropriate decontamination method compatible with polypropylene before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What material are the columns made from?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The columns are molded from polypropylene (PP), which offers broad chemical tolerance for common aqueous buffers, salts, and many organic solvents used in sample prep.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How are these columns packaged and sold?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"They are sold 200 columns per bag (200\/Bag). 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