{"product_id":"franklin-20-x-4-5-od-dual-gradient-spun-poly-filter-cartridge-nsf-42-certified-fwps-dg-series","title":"Franklin 20\" x 4.5\" OD Dual Gradient Spun Poly Filter Cartridge, NSF 42 Certified (FWPS-DG Series)","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"3202\" data-end=\"3221\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"3222\" data-end=\"3615\"\u003eThe Franklin 20\" x 4.5\" OD FWPS-DG Series Dual Gradient Spun Poly Filter Cartridge delivers high-efficiency sediment filtration for demanding commercial, industrial, and high-flow residential applications. Constructed from 100% polypropylene fibers using thermal bonding technology, this cartridge offers exceptional contaminant retention without the use of adhesives, surfactants, or binders.\u003c\/p\u003e\n\u003cp data-start=\"3617\" data-end=\"3916\"\u003eIts advanced dual-gradient density design traps larger particles at the outer layer while finer inner fibers capture smaller sediment deeper within the cartridge. This structure increases dirt-holding capacity, reduces pressure drop, and extends operational life in systems with high sediment loads.\u003c\/p\u003e\n\u003cp data-start=\"3918\" data-end=\"4116\"\u003eThe extended 20\" Big Blue configuration provides greater filtration capacity and longer replacement intervals, making it ideal for applications where minimizing maintenance and downtime is critical.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"4118\" data-end=\"4133\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"4134\" data-end=\"4584\"\u003e\n\u003cli data-section-id=\"1d7ouan\" data-start=\"4134\" data-end=\"4193\"\u003eExtended 20\" cartridge for increased contaminant capacity\u003c\/li\u003e\n\u003cli data-section-id=\"11xau39\" data-start=\"4194\" data-end=\"4252\"\u003eLarge 4.5\" OD Big Blue design supports higher flow rates\u003c\/li\u003e\n\u003cli data-section-id=\"qxqwpn\" data-start=\"4253\" data-end=\"4318\"\u003eDual-gradient density structure improves filtration performance\u003c\/li\u003e\n\u003cli data-section-id=\"zzt2bq\" data-start=\"4319\" data-end=\"4371\"\u003eHigh dirt-holding capacity for longer service life\u003c\/li\u003e\n\u003cli data-section-id=\"9fskue\" data-start=\"4372\" data-end=\"4438\"\u003e100% polypropylene construction for broad chemical compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"ld5nsm\" data-start=\"4439\" data-end=\"4487\"\u003eThermal-bonded manufacturing without adhesives\u003c\/li\u003e\n\u003cli data-section-id=\"1wgpvgu\" data-start=\"4488\" data-end=\"4544\"\u003eResistant to bacterial attack and chemical degradation\u003c\/li\u003e\n\u003cli data-section-id=\"dhepbi\" data-start=\"4545\" data-end=\"4584\"\u003eNSF 42 and FDA CFR Title 21 certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1b0xy1\" data-start=\"4586\" data-end=\"4613\"\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul data-start=\"4614\" data-end=\"4828\"\u003e\n\u003cli data-section-id=\"1b78gqb\" data-start=\"4614\" data-end=\"4650\"\u003eCommercial water treatment systems\u003c\/li\u003e\n\u003cli data-section-id=\"454cxh\" data-start=\"4651\" data-end=\"4681\"\u003eWhole-house water filtration\u003c\/li\u003e\n\u003cli data-section-id=\"yunub1\" data-start=\"4682\" data-end=\"4714\"\u003eReverse osmosis pre-filtration\u003c\/li\u003e\n\u003cli data-section-id=\"1bolfm\" data-start=\"4715\" data-end=\"4743\"\u003eFood \u0026amp; beverage processing\u003c\/li\u003e\n\u003cli data-section-id=\"gtdrn2\" data-start=\"4744\" data-end=\"4770\"\u003eProcess water filtration\u003c\/li\u003e\n\u003cli data-section-id=\"13dnt8x\" data-start=\"4771\" data-end=\"4800\"\u003eChemical processing systems\u003c\/li\u003e\n\u003cli data-section-id=\"1nl9z8h\" data-start=\"4801\" data-end=\"4828\"\u003eElectroplating operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"4830\" data-end=\"4847\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"4848\" data-end=\"5346\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"4848\" data-end=\"4874\"\u003e\n\u003ctr data-start=\"4848\" data-end=\"4874\"\u003e\n\u003cth data-start=\"4848\" data-end=\"4864\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"4864\" data-end=\"4874\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"4885\" data-end=\"5346\"\u003e\n\u003ctr data-start=\"4885\" data-end=\"4912\"\u003e\n\u003ctd data-start=\"4885\" data-end=\"4894\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"4894\" data-end=\"4912\" data-col-size=\"sm\"\u003eFWPS-DG Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4913\" data-end=\"4939\"\u003e\n\u003ctd data-start=\"4913\" data-end=\"4932\" data-col-size=\"sm\"\u003eCartridge Length\u003c\/td\u003e\n\u003ctd data-start=\"4932\" data-end=\"4939\" data-col-size=\"sm\"\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4940\" data-end=\"4967\"\u003e\n\u003ctd data-start=\"4940\" data-end=\"4959\" data-col-size=\"sm\"\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd data-start=\"4959\" data-end=\"4967\" data-col-size=\"sm\"\u003e4.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4968\" data-end=\"5009\"\u003e\n\u003ctd data-start=\"4968\" data-end=\"4976\" data-col-size=\"sm\"\u003eMedia\u003c\/td\u003e\n\u003ctd data-start=\"4976\" data-end=\"5009\" data-col-size=\"sm\"\u003e100% Melt-Blown Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5010\" data-end=\"5057\"\u003e\n\u003ctd data-start=\"5010\" data-end=\"5025\" data-col-size=\"sm\"\u003eConstruction\u003c\/td\u003e\n\u003ctd data-start=\"5025\" data-end=\"5057\" data-col-size=\"sm\"\u003eDual Gradient Thermal Bonded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5058\" data-end=\"5102\"\u003e\n\u003ctd data-start=\"5058\" data-end=\"5086\" data-col-size=\"sm\"\u003eMax Operating Temperature\u003c\/td\u003e\n\u003ctd data-start=\"5086\" data-end=\"5102\" data-col-size=\"sm\"\u003e60°C (140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5103\" data-end=\"5159\"\u003e\n\u003ctd data-start=\"5103\" data-end=\"5139\" data-col-size=\"sm\"\u003eNominal Replacement Pressure Drop\u003c\/td\u003e\n\u003ctd data-start=\"5139\" data-end=\"5159\" data-col-size=\"sm\"\u003e1.5 Bar (22 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5160\" data-end=\"5213\"\u003e\n\u003ctd data-start=\"5160\" data-end=\"5191\" data-col-size=\"sm\"\u003eMaximum Pressure Drop @ 20°C\u003c\/td\u003e\n\u003ctd data-start=\"5191\" data-end=\"5213\" data-col-size=\"sm\"\u003e3.2 Bar (46.4 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5214\" data-end=\"5244\"\u003e\n\u003ctd data-start=\"5214\" data-end=\"5234\" data-col-size=\"sm\"\u003eMaximum Flow Rate\u003c\/td\u003e\n\u003ctd data-start=\"5234\" data-end=\"5244\" data-col-size=\"sm\"\u003e20 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5245\" data-end=\"5300\"\u003e\n\u003ctd data-start=\"5245\" data-end=\"5272\" data-col-size=\"sm\"\u003eMicron Ratings Available\u003c\/td\u003e\n\u003ctd data-start=\"5272\" data-end=\"5300\" data-col-size=\"sm\"\u003e25\/1, 50\/5, 75\/25 Micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5301\" data-end=\"5346\"\u003e\n\u003ctd data-start=\"5301\" data-end=\"5318\" data-col-size=\"sm\"\u003eCertifications\u003c\/td\u003e\n\u003ctd data-start=\"5318\" data-end=\"5346\" data-col-size=\"sm\"\u003eNSF 42, FDA CFR Title 21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-section-id=\"1r8frcv\" data-start=\"5348\" data-end=\"5377\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1gybgje\" data-start=\"5379\" data-end=\"5417\"\u003eWhy choose a 20\" filter cartridge?\u003c\/h3\u003e\n\u003cp data-start=\"5418\" data-end=\"5569\"\u003eA 20\" cartridge provides increased dirt-holding capacity and longer filtration cycles compared to standard 10\" filters, reducing maintenance frequency.\u003c\/p\u003e\n\u003ch3 data-section-id=\"kftraq\" data-start=\"5571\" data-end=\"5613\"\u003eWhat are dual-gradient micron ratings?\u003c\/h3\u003e\n\u003cp data-start=\"5614\" data-end=\"5789\"\u003eDual-gradient ratings such as 50\/5 micron indicate that the outer layer captures larger particles while the inner layer filters finer sediment for improved overall efficiency.\u003c\/p\u003e\n\u003ch3 data-section-id=\"rmuc27\" data-start=\"5791\" data-end=\"5833\"\u003eIs polypropylene chemically resistant?\u003c\/h3\u003e\n\u003cp data-start=\"5834\" data-end=\"5984\"\u003eYes. Polypropylene is highly resistant to many chemicals and process fluids, making it suitable for industrial and commercial filtration applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"13u96x7\" data-start=\"5986\" data-end=\"6045\"\u003eCan this filter be used before reverse osmosis systems?\u003c\/h3\u003e\n\u003cp data-start=\"6046\" data-end=\"6165\"\u003eYes. FWPS-DG cartridges are commonly used as pre-filtration stages to protect RO membranes from sediment contamination.\u003c\/p\u003e\n\u003ch3 data-section-id=\"j0i8z\" data-start=\"6167\" data-end=\"6218\"\u003eWill the filter media support bacterial growth?\u003c\/h3\u003e\n\u003cp data-start=\"6219\" data-end=\"6335\"\u003eNo. Polypropylene media is resistant to bacterial attack and designed for reliable long-term filtration performance.\u003c\/p\u003e","brand":"Franklin Water","offers":[{"title":"20\" Length x 4.5\" Diameter \/ 25\/1 Micron \/ One Filter","offer_id":53790292443500,"sku":"FWPS20B2501-01","price":48.27,"currency_code":"CAD","in_stock":true},{"title":"20\" Length x 4.5\" Diameter \/ 25\/1 Micron \/ Case of 6 Filters","offer_id":53790292476268,"sku":"FWPS20B2501-06","price":214.99,"currency_code":"CAD","in_stock":true},{"title":"20\" Length x 4.5\" Diameter \/ 50\/5 Micron \/ One Filter","offer_id":53790292509036,"sku":"FWPS20B5005-01","price":48.27,"currency_code":"CAD","in_stock":true},{"title":"20\" Length x 4.5\" Diameter \/ 50\/5 Micron \/ Case of 6 Filters","offer_id":53790292541804,"sku":"FWPS20B5005-06","price":214.99,"currency_code":"CAD","in_stock":true},{"title":"20\" Length x 4.5\" Diameter \/ 75\/25 Micron \/ One Filter","offer_id":53790292574572,"sku":"FWPS20B7525-01","price":48.27,"currency_code":"CAD","in_stock":true},{"title":"20\" Length x 4.5\" Diameter \/ 75\/25 Micron \/ Case of 6 Filters","offer_id":53790292607340,"sku":"FWPS20B7525-06","price":214.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/Franklin_Dual_Gradient_20_Inch-removebg.png?v=1779400120","url":"https:\/\/cleanflow.net\/products\/franklin-20-x-4-5-od-dual-gradient-spun-poly-filter-cartridge-nsf-42-certified-fwps-dg-series","provider":"Cleanflow","version":"1.0","type":"link"}