{"product_id":"filbur-fc-1963-spa-and-pool-replacement-filter-cartridge-pacfab-pentair-bottom-compatible","title":"Filbur FC-1963 Spa and Pool Replacement Filter Cartridge PacFab Pentair Bottom Compatible","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Filbur FC-1963 Spa\/Pool Replacement Filter Cartridge — a thoughtfully engineered solution for cleaner water, less maintenance, and longer-lasting filtration in your PacFab\/Pentair bottom-mount systems. Built with Filbur’s shop-tested durability and designed to fit the exacting needs of spa and pool enthusiasts, this cartridge brings professional-grade filtration to home use without compromising value.\u003c\/p\u003e \u003cp\u003eWhat makes the FC-1963 stand out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReinforced center cores\u003c\/strong\u003e and \u003cstrong\u003ewider support bands\u003c\/strong\u003e deliver even stress distribution and prevent pleat flutter under heavy debris loads. The result is a cartridge that resists collapse and maintains steady flow between cleanings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium polyester media\u003c\/strong\u003e provides durability, reliable cleanability, and consistent filtration performance across more hours of operation. Expect clearer water and better sanitizer efficiency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAntimicrobial end caps\u003c\/strong\u003e reinforced for strength and treated to repel odor-causing bacteria and mold. This helps keep the cartridge fresher and reduces odor-related maintenance concerns, even in chlorine-rich or saltwater environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSalt and chlorine resilience\u003c\/strong\u003e with an advanced formulation that resists deterioration in salt pools and high-chlorine conditions, extending the life of the cartridge in tougher water chemistries.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd caps with integrated fittings\u003c\/strong\u003e simplify installation and removal by eliminating the need for PAD adapters, maximizing flow and reducing installation hassles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEmbossed part numbers\u003c\/strong\u003e make reordering quick and accurate, so you’re never unsure about compatibility or replacement timing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOpen end design\u003c\/strong\u003e at both ends (3\" top and 3\" bottom) with a robust 6-1\/4\" outer diameter and 32-3\/4\" length, specifically suited for PacFab\/Pentair bottom applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey specifications at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFits: PacFab\/Pentair bottom-mount systems\u003c\/li\u003e \u003cli\u003eLength: 32-3\/4 inches\u003c\/li\u003e \u003cli\u003eOuter diameter: 6-1\/4 inches\u003c\/li\u003e \u003cli\u003eEnd caps: 3-inch top, 3-inch bottom, open at both ends\u003c\/li\u003e \u003cli\u003eMedia: Durable polyester with mesh structure\u003c\/li\u003e \u003cli\u003eFilter area: 25 square feet of filtration media\u003c\/li\u003e \u003cli\u003eModel family: Quad D.E. 100-style cartridge design\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the FC-1963\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePool or spa owners using PacFab or Pentair filtration systems that require a reliable, long-lasting replacement cartridge.\u003c\/li\u003e \u003cli\u003eHomes with saltwater pools or high-chlorine environments where filter longevity and chemical resilience matter most.\u003c\/li\u003e \u003cli\u003eOwners seeking a cartridge that maintains flow and filtration efficiency even as debris load increases, reducing the frequency of cleanings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReal-world benefits and use-cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eKeep water crystal-clear with less work\u003c\/strong\u003e: the combination of reinforced cores, optimized pleat geometry, and high-quality media minimizes clogging, so backwashing or cartridge changes occur less frequently while water stays clean.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable in challenging water chemistry\u003c\/strong\u003e: antimicrobial end caps and salt\/chlorine resistance help the cartridge endure long seasons of use in varied environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy installation and maintenance\u003c\/strong\u003e: integrated fittings reduce setup time, and embossed part numbers simplify reordering when inventory runs low.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatible and reliable\u003c\/strong\u003e: designed for PacFab\/Pentair bottom configurations, this FC-1963 cartridge aligns with your existing housing without guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips to maximize performance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your spa or pool housing before installation to ensure a seamless fit with the 32-3\/4\" length and 6-1\/4\" diameter.\u003c\/li\u003e \u003cli\u003eRegularly check for any signs of wear on the end caps and center core; the reinforced PVC core is designed to handle heavy debris, but routine inspection prolongs life.\u003c\/li\u003e \u003cli\u003eSchedule maintenance around your pool usage: in high-traffic seasons, consider more frequent checks and backwashing to keep water clarity at its best.\u003c\/li\u003e \u003cli\u003eStore spares in a cool, dry place to preserve antimicrobial properties and media integrity until next replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose Filbur for your spa and pool filtration needs\u003c\/p\u003e\n\u003cp\u003eFilbur is recognized as a leading OEM filter manufacturer in the USA, delivering value-driven cartridges that last longer and perform more consistently. The FC-1963 embodies that commitment with a design that prioritizes flow, debris handling, and durability—so you spend less time fiddling with filters and more time enjoying pristine water.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"margintop4\" width=\"535\" height=\"296\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003ePacFab\/Pentair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003eBottom Physical Dimension\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003e3\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eBottom Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eDiameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003e6-1\/4\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eLength\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e32-3\/4\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeName\"\u003eMedia Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeValue\"\u003eMesh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeName\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeValue\"\u003eQuad D.E. 100\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl7_labelAttributeName\"\u003eSquare Footage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl7_labelAttributeValue\"\u003e25 sq ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl8_labelAttributeName\"\u003eTop Physical Dimension\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl8_labelAttributeValue\"\u003e3\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 330.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl9_labelAttributeName\"\u003eTop Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 185.508px;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl9_labelAttributeValue\"\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":40241542070314,"sku":"FC-1963","price":164.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/14-110-1235_xl.jpg?v=1769976139","url":"https:\/\/bathparts.com\/en-um\/products\/filbur-fc-1963-spa-and-pool-replacement-filter-cartridge-pacfab-pentair-bottom-compatible","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}