{"product_id":"karofi-big-blue-pp-sediment-filter-20-inch-5-micron-whole-house","title":"Karofi Big Blue PP Sediment Filter 20\" x 4.5\" | 5 Micron | Universal Whole House Pre-Filter","description":"\u003ch2\u003eKarofi Big Blue PP Sediment Pre-Filter Cartridge – 20\" x 4.5\" | 5 Micron\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eKarofi Big Blue PP Sediment Filter\u003c\/strong\u003e is a high-capacity polypropylene spun pre-filter cartridge designed for \u003cstrong\u003ewhole-house water filtration systems\u003c\/strong\u003e. At the industry-standard \u003cstrong\u003e20\" x 4.5\" (Big Blue) dimensions\u003c\/strong\u003e, it delivers significantly greater flow rate and dirt-holding capacity than standard 10-inch cartridges — making it the right choice for whole-house applications, high-sediment water supplies, and any system where flow rate and filter longevity are priorities.\u003c\/p\u003e\u003cp\u003eRated at \u003cstrong\u003e5 microns\u003c\/strong\u003e, it captures sand, silt, dirt, rust flakes, and suspended solids before they reach your carbon blocks, GAC media, or RO membranes — protecting your downstream filtration investment and extending the life of every stage in your system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Micron Filtration:\u003c\/strong\u003e Removes particles as small as 5 microns — including sand, silt, rust, dirt, sediment, and suspended solids\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20\" x 4.5\" Big Blue Fit:\u003c\/strong\u003e Universal drop-in replacement for all standard Big Blue 20-inch filter housings — no adapters required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Design:\u003c\/strong\u003e Larger cartridge volume means greater dirt-holding capacity and longer service intervals compared to standard 10-inch cartridges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene (PP) Spun Gradient Density Construction:\u003c\/strong\u003e Depth filtration captures larger particles on the outer layers and finer particles toward the core — maximizing dirt-holding capacity and filter life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Downstream Filters:\u003c\/strong\u003e Acts as a pre-filter to extend the life of carbon blocks, GAC media, and RO membranes by removing sediment before it reaches them\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Rate:\u003c\/strong\u003e Big Blue housing diameter supports higher flow rates suitable for whole-house supply lines without significant pressure drop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3–6 Month Service Life:\u003c\/strong\u003e Recommended replacement interval of 3–6 months depending on local water quality and usage volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Cartridge Replacement:\u003c\/strong\u003e Standard Big Blue sizing ensures quick swap in any compatible 20\" x 4.5\" housing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Karofi Water Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e PP (Polypropylene) Spun Sediment Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20\" x 4.5\" (Big Blue standard size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicron Rating:\u003c\/strong\u003e 5 micron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Compatibility:\u003c\/strong\u003e Universal — fits all standard 20\" x 4.5\" Big Blue filter housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Interval:\u003c\/strong\u003e Every 3–6 months (varies by water quality and usage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e PP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode (UPC):\u003c\/strong\u003e 8936193082382\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.8 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat It Removes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSand \u0026amp; grit\u003c\/li\u003e\n\u003cli\u003eSilt \u0026amp; sediment\u003c\/li\u003e\n\u003cli\u003eDirt \u0026amp; dust particles\u003c\/li\u003e\n\u003cli\u003eRust \u0026amp; scale flakes\u003c\/li\u003e\n\u003cli\u003eSuspended solids down to 5 microns\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWhole-house sediment pre-filtration systems (primary use case)\u003c\/li\u003e\n\u003cli\u003eHigh-flow commercial and light industrial filtration systems\u003c\/li\u003e\n\u003cli\u003eWell water whole-house pre-filtration\u003c\/li\u003e\n\u003cli\u003eMunicipal water whole-house pre-filtration\u003c\/li\u003e\n\u003cli\u003eMulti-stage under-sink systems with Big Blue housings\u003c\/li\u003e\n\u003cli\u003eKarofi whole-house water filtration systems\u003c\/li\u003e\n\u003cli\u003eAny system using standard 20\" x 4.5\" Big Blue filter housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBig Blue vs. Standard 10\" Cartridge: Why Size Matters\u003c\/h3\u003e\u003cp\u003eThe 20\" x 4.5\" Big Blue format provides approximately \u003cstrong\u003e4x the filtration volume\u003c\/strong\u003e of a standard 10\" x 2.5\" cartridge. This translates directly to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigher flow rates without pressure drop — suitable for whole-house supply lines serving multiple fixtures simultaneously\u003c\/li\u003e\n\u003cli\u003eGreater dirt-holding capacity — longer service life between replacements in high-sediment applications\u003c\/li\u003e\n\u003cli\u003eLower cost-per-gallon of filtered water over the cartridge's service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eReplace every 3–6 months or when flow rate noticeably decreases. Flush the new cartridge for 2–3 minutes before use. For well water or high-sediment supplies, inspect monthly.\u003c\/em\u003e\u003c\/p\u003e","brand":"Karofi Water Filter","offers":[{"title":"Default Title","offer_id":41993294381143,"sku":"PP208936193082382","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/7ce14e678076a5543b8fed156ecded34.png?v=1758761668","url":"https:\/\/getultimatenow.com\/products\/karofi-big-blue-pp-sediment-filter-20-inch-5-micron-whole-house","provider":"Get Ultimate Now ","version":"1.0","type":"link"}