{"product_id":"4-5-od-big-blue-triplex-water-filter-replacement-kit-10-20-filters-20-micron-5-micron-sediment-0-5-micron-carbon-block","title":"4.5\" OD Big Blue Triplex Water Filter Replacement Kit | 10\" or 20\" Filters | 20 Micron + 5 Micron Sediment + 0.5 Micron Carbon Block","description":"\u003ch2 data-section-id=\"smihqy\" data-start=\"0\" data-end=\"58\"\u003e4.5\" OD Triplex Water Filter Replacement Cartridge Kits\u003c\/h2\u003e\n\u003cp data-start=\"60\" data-end=\"446\"\u003eKeep your triplex filtration system running at peak performance with these professionally configured 3-stage replacement filter kits. Designed for 4.5\" OD Big Blue style housings, each kit includes a staged filtration setup consisting of a 20 micron sediment cartridge, 5 micron sediment cartridge, and a 0.5 micron carbon block cartridge for comprehensive whole-house water filtration.\u003c\/p\u003e\n\u003cp data-start=\"448\" data-end=\"680\"\u003eThis configuration is widely considered the ideal setup for most triplex water filtration systems because it progressively reduces contaminants while maximizing cartridge life and maintaining strong water flow throughout the system.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1nrpj2f\" data-start=\"682\" data-end=\"725\"\u003eStage 1 – 20 Micron Sediment Filtration\u003c\/h3\u003e\n\u003cp data-start=\"726\" data-end=\"1020\"\u003eThe first stage uses a 20 micron melt blown polypropylene cartridge to capture larger particles including sand, silt, rust, scale, and sediment before they can clog finer downstream filters. This extends the service life of the second and third stages while improving overall system efficiency.\u003c\/p\u003e\n\u003ch3 data-section-id=\"hi2dir\" data-start=\"1022\" data-end=\"1064\"\u003eStage 2 – 5 Micron Sediment Filtration\u003c\/h3\u003e\n\u003cp data-start=\"1065\" data-end=\"1363\"\u003eThe second stage further refines the water by removing finer suspended particles and sediment that pass through the first filter stage. The layered polypropylene construction provides high contaminant holding capacity, low pressure drop, and long service life.\u003c\/p\u003e\n\u003ch3 data-section-id=\"q29j27\" data-start=\"1365\" data-end=\"1413\"\u003eStage 3 – 0.5 Micron Carbon Block Filtration\u003c\/h3\u003e\n\u003cp data-start=\"1414\" data-end=\"1766\"\u003eThe final stage utilizes a premium coconut shell activated carbon block cartridge rated at 0.5 micron for superior chlorine, taste, and odour reduction. This final polishing stage significantly improves water quality while reducing fine sediment and organic contaminants commonly found in municipal water supplies.\u003c\/p\u003e\n\u003cp data-start=\"1768\" data-end=\"2022\"\u003eThe carbon block cartridges are NSF 42 and NSF 61 certified for material safety and chlorine reduction performance, while the polypropylene sediment filters are NSF 42 certified.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zx2msq\" data-start=\"2024\" data-end=\"2071\"\u003eWhy This Filter Configuration Works So Well\u003c\/h3\u003e\n\u003cp data-start=\"2072\" data-end=\"2199\"\u003eThis graduated filtration approach is the preferred setup for most residential and light commercial triplex systems because it:\u003c\/p\u003e\n\u003cul data-start=\"2201\" data-end=\"2549\"\u003e\n\u003cli data-section-id=\"int0wq\" data-start=\"2201\" data-end=\"2254\"\u003eMaximizes flow rates while minimizing pressure loss\u003c\/li\u003e\n\u003cli data-section-id=\"1jsju3a\" data-start=\"2255\" data-end=\"2300\"\u003ePrevents premature clogging of fine filters\u003c\/li\u003e\n\u003cli data-section-id=\"1g9ucbl\" data-start=\"2301\" data-end=\"2337\"\u003eExtends overall cartridge lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"gr7brr\" data-start=\"2338\" data-end=\"2378\"\u003eImproves chlorine reduction efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"16fjcc5\" data-start=\"2379\" data-end=\"2428\"\u003eDelivers cleaner, clearer, better tasting water\u003c\/li\u003e\n\u003cli data-section-id=\"kl1yee\" data-start=\"2429\" data-end=\"2477\"\u003eReduces sediment load before carbon filtration\u003c\/li\u003e\n\u003cli data-section-id=\"1ma2jes\" data-start=\"2478\" data-end=\"2549\"\u003eHelps protect plumbing fixtures, appliances, and downstream equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2551\" data-end=\"2707\"\u003eUnlike systems using identical micron ratings across all stages, this progressive setup allows each cartridge to perform its specific role more efficiently.\u003c\/p\u003e\n\u003ch3 data-section-id=\"qhba7d\" data-start=\"2709\" data-end=\"2728\"\u003eAvailable Sizes\u003c\/h3\u003e\n\u003cp data-start=\"2729\" data-end=\"2774\"\u003eThese replacement kits are available in both:\u003c\/p\u003e\n\u003cul data-start=\"2776\" data-end=\"2849\"\u003e\n\u003cli data-section-id=\"6uibqa\" data-start=\"2776\" data-end=\"2812\"\u003e10\" x 4.5\" OD Big Blue Filter Kits\u003c\/li\u003e\n\u003cli data-section-id=\"x03fr5\" data-start=\"2813\" data-end=\"2849\"\u003e20\" x 4.5\" OD Big Blue Filter Kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2851\" data-end=\"3018\"\u003eThe 20\" systems provide higher dirt holding capacity and longer service intervals, making them ideal for higher flow applications or homes with heavier sediment loads.\u003c\/p\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"3020\" data-end=\"3036\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"3037\" data-end=\"3047\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"3048\" data-end=\"3251\"\u003e\n\u003cli data-section-id=\"10pzyr2\" data-start=\"3048\" data-end=\"3086\"\u003eWhole house water filtration systems\u003c\/li\u003e\n\u003cli data-section-id=\"1e1ewev\" data-start=\"3087\" data-end=\"3110\"\u003eWell water filtration\u003c\/li\u003e\n\u003cli data-section-id=\"4vu06p\" data-start=\"3111\" data-end=\"3138\"\u003eMunicipal water treatment\u003c\/li\u003e\n\u003cli data-section-id=\"4gisyc\" data-start=\"3139\" data-end=\"3170\"\u003ePre-filtration for UV systems\u003c\/li\u003e\n\u003cli data-section-id=\"s0kn69\" data-start=\"3171\" data-end=\"3202\"\u003eReverse osmosis pre-treatment\u003c\/li\u003e\n\u003cli data-section-id=\"9e1cj4\" data-start=\"3203\" data-end=\"3251\"\u003eResidential and light commercial water systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1wtz1gl\" data-start=\"3253\" data-end=\"3290\"\u003eFilter Construction \u0026amp; Performance\u003c\/h3\u003e\n\u003cp data-start=\"3291\" data-end=\"3527\"\u003eThe melt blown sediment filters are manufactured using thermally bonded polypropylene fibers with no binders or adhesives, providing excellent chemical resistance and resistance to bacterial attack.\u003c\/p\u003e\n\u003cp data-start=\"3291\" data-end=\"3527\"\u003eThe carbon block cartridges are manufactured using high purity coconut shell activated carbon and are engineered for high chlorine reduction capacity, excellent sediment retention, and minimal carbon fines.\u003c\/p\u003e\n\u003chr data-start=\"314\" data-end=\"317\"\u003e\n\u003ch2 data-section-id=\"1r8frcv\" data-start=\"319\" data-end=\"348\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 data-section-id=\"3hys6h\" data-start=\"350\" data-end=\"412\"\u003eWhat filters are included in this triplex replacement kit?\u003c\/h3\u003e\n\u003cp data-start=\"413\" data-end=\"431\"\u003eEach kit includes:\u003c\/p\u003e\n\u003cul data-start=\"432\" data-end=\"567\"\u003e\n\u003cli data-section-id=\"1km2y2j\" data-start=\"432\" data-end=\"474\"\u003eOne 20 micron melt blown sediment filter\u003c\/li\u003e\n\u003cli data-section-id=\"15dc2oc\" data-start=\"475\" data-end=\"516\"\u003eOne 5 micron melt blown sediment filter\u003c\/li\u003e\n\u003cli data-section-id=\"7odkjc\" data-start=\"517\" data-end=\"567\"\u003eOne 0.5 micron coconut shell carbon block filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"569\" data-end=\"644\"\u003eThis staged filtration setup is ideal for most whole-house triplex systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1vl1m1l\" data-start=\"646\" data-end=\"702\"\u003eWhy use a 20 micron, 5 micron, and 0.5 micron setup?\u003c\/h3\u003e\n\u003cp data-start=\"703\" data-end=\"807\"\u003eThis progressive filtration design allows each filter to target different contaminant sizes efficiently:\u003c\/p\u003e\n\u003cul data-start=\"808\" data-end=\"975\"\u003e\n\u003cli data-section-id=\"94c559\" data-start=\"808\" data-end=\"854\"\u003e20 micron removes larger sediment and debris\u003c\/li\u003e\n\u003cli data-section-id=\"i83cof\" data-start=\"855\" data-end=\"890\"\u003e5 micron captures finer particles\u003c\/li\u003e\n\u003cli data-section-id=\"1g68hh8\" data-start=\"891\" data-end=\"975\"\u003e0.5 micron carbon block reduces chlorine, taste, odour, and very fine contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"977\" data-end=\"1118\"\u003eUsing graduated micron ratings helps maximize filter life and maintain stronger water flow compared to using identical filters in all stages.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1wim62f\" data-start=\"1120\" data-end=\"1176\"\u003eAre these filters compatible with Big Blue housings?\u003c\/h3\u003e\n\u003cp data-start=\"1177\" data-end=\"1305\"\u003eYes. These kits are designed for standard 4.5\" OD Big Blue style filter housings and fit most industry-standard triplex systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"udc4dz\" data-start=\"1307\" data-end=\"1353\"\u003eWhat contaminants do these filters remove?\u003c\/h3\u003e\n\u003cp data-start=\"1354\" data-end=\"1384\"\u003eThese filter kits help reduce:\u003c\/p\u003e\n\u003cul data-start=\"1385\" data-end=\"1492\"\u003e\n\u003cli data-section-id=\"j7nfnl\" data-start=\"1385\" data-end=\"1395\"\u003eSediment\u003c\/li\u003e\n\u003cli data-section-id=\"1j4djow\" data-start=\"1396\" data-end=\"1402\"\u003eSand\u003c\/li\u003e\n\u003cli data-section-id=\"1j4e4yw\" data-start=\"1403\" data-end=\"1409\"\u003eRust\u003c\/li\u003e\n\u003cli data-section-id=\"1j40gqr\" data-start=\"1410\" data-end=\"1416\"\u003eDirt\u003c\/li\u003e\n\u003cli data-section-id=\"1j4ddbe\" data-start=\"1417\" data-end=\"1423\"\u003eSilt\u003c\/li\u003e\n\u003cli data-section-id=\"nzywfr\" data-start=\"1424\" data-end=\"1441\"\u003eScale particles\u003c\/li\u003e\n\u003cli data-section-id=\"10tclf3\" data-start=\"1442\" data-end=\"1468\"\u003eChlorine taste and odour\u003c\/li\u003e\n\u003cli data-section-id=\"nzmq09\" data-start=\"1469\" data-end=\"1492\"\u003eFine suspended solids\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1494\" data-end=\"1635\"\u003eThe 0.5 micron carbon block cartridge is specifically designed for high chlorine reduction performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"q8ci3d\" data-start=\"1637\" data-end=\"1671\"\u003eAre the filters NSF certified?\u003c\/h3\u003e\n\u003cp data-start=\"1672\" data-end=\"1877\"\u003eYes. The polypropylene sediment cartridges are NSF 42 certified, and the carbon block cartridges are NSF 42 and NSF 61 certified.\u003c\/p\u003e\n\u003ch3 data-section-id=\"651q61\" data-start=\"1879\" data-end=\"1935\"\u003eWhat is the difference between the 10\" and 20\" kits?\u003c\/h3\u003e\n\u003cp data-start=\"1936\" data-end=\"1957\"\u003eThe 20\" kits provide:\u003c\/p\u003e\n\u003cul data-start=\"1958\" data-end=\"2097\"\u003e\n\u003cli data-section-id=\"1vn1vxd\" data-start=\"1958\" data-end=\"1988\"\u003eHigher dirt holding capacity\u003c\/li\u003e\n\u003cli data-section-id=\"17l7ibo\" data-start=\"1989\" data-end=\"2015\"\u003eLonger service intervals\u003c\/li\u003e\n\u003cli data-section-id=\"g3wxeh\" data-start=\"2016\" data-end=\"2065\"\u003eBetter performance for higher flow applications\u003c\/li\u003e\n\u003cli data-section-id=\"1eit451\" data-start=\"2066\" data-end=\"2097\"\u003eReduced maintenance frequency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2099\" data-end=\"2184\"\u003eThe 10\" kits are more compact and commonly used in standard residential applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"h1xj2r\" data-start=\"2186\" data-end=\"2231\"\u003eHow often should the filters be replaced?\u003c\/h3\u003e\n\u003cp data-start=\"2232\" data-end=\"2348\"\u003eReplacement frequency depends on water quality and usage, but most residential systems require filter changes every:\u003c\/p\u003e\n\u003cul data-start=\"2349\" data-end=\"2421\"\u003e\n\u003cli data-section-id=\"gvsmus\" data-start=\"2349\" data-end=\"2385\"\u003e3 to 6 months for sediment filters\u003c\/li\u003e\n\u003cli data-section-id=\"flken\" data-start=\"2386\" data-end=\"2421\"\u003e6 months for carbon block filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2423\" data-end=\"2500\"\u003eHeavy sediment loads or poor water quality may require more frequent changes.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1qfo74f\" data-start=\"2502\" data-end=\"2546\"\u003eCan these filters be used on well water?\u003c\/h3\u003e\n\u003cp data-start=\"2547\" data-end=\"2765\"\u003eYes. These kits are an excellent choice for many well water systems, especially where sediment and particulate are present. However, water testing is always recommended to determine if additional treatment is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"z6fl2j\" data-start=\"2767\" data-end=\"2812\"\u003eWill these filters reduce water pressure?\u003c\/h3\u003e\n\u003cp data-start=\"2813\" data-end=\"3079\"\u003eWhen properly maintained, the staged filtration design helps minimize pressure loss while still providing excellent filtration performance. The large 4.5\" OD cartridges are designed for higher flow rates and longer service life.\u003c\/p\u003e\n\u003ch3 data-section-id=\"8l4frv\" data-start=\"3081\" data-end=\"3128\"\u003eAre the sediment filters chemically bonded?\u003c\/h3\u003e\n\u003cp data-start=\"3129\" data-end=\"3341\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNo. The melt blown polypropylene cartridges are thermally bonded without adhesives or binders, helping ensure broad chemical compatibility and cleaner filtration performance.\u003c\/p\u003e","brand":"Franklin Water","offers":[{"title":"10\" Triplex Filter Replacement Kit","offer_id":53790129258860,"sku":"TFRK-10","price":76.8,"currency_code":"CAD","in_stock":true},{"title":"20\" Triplex Filter Replacement Kit","offer_id":53790129291628,"sku":"TFRK-20","price":148.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/ChatGPT_Image_May_21__2026__02_09_52_PM-removebg.png?v=1779390659","url":"https:\/\/cleanflow.net\/products\/4-5-od-big-blue-triplex-water-filter-replacement-kit-10-20-filters-20-micron-5-micron-sediment-0-5-micron-carbon-block","provider":"Cleanflow","version":"1.0","type":"link"}