{"product_id":"filbur-fc-3743-spa-and-pool-replacement-filter-cartridge-for-inground-and-aboveground-pools","title":"Filbur FC-3743 Spa and Pool Replacement Filter Cartridge for Inground and Aboveground Pools","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your spa or pool filtration with the Filbur FC-3743 Spa\/Pool Replacement Filter Cartridge—the durable, high-performance choice designed to keep water crystal clear while standing up to harsh chemistry. Built to last and engineered for reliable filtration, this cartridge delivers long-lasting cleanliness with fewer cleanings.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this Filbur cartridge stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReinforced center cores\u003c\/strong\u003e: Increased debris loading and pressure differential help prevent cartridge collapse under heavy loading, extending time between cleanings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium filter media\u003c\/strong\u003e: Durable polyester media provides longevity, easy cleanability, and consistently clear water for spa and pool applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSharp pleat folds\u003c\/strong\u003e: Unique synthetic fiber construction eliminates bridging, allowing dirt to penetrate deep into the pleats for higher flow and easier cleaning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAntimicrobial end caps\u003c\/strong\u003e: Reinforced for strength and integrity, treated to repel odor-causing bacteria and mold, and formulated to resist deterioration from salt pools and high chlorine.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWider break-resistant bands\u003c\/strong\u003e: Keep pleats evenly spaced for optimum flow and filtration, reducing pleat flutter caused by turbulence in the housing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd caps with integrated fittings\u003c\/strong\u003e: Molded-in fittings offer effortless installation and removal, eliminating the need for PAD adapters that can impede flow.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExtruded PVC center cores\u003c\/strong\u003e: The strongest design with round holes that distribute stress evenly, preventing cracks and collapse under pressure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEmbossed part numbers\u003c\/strong\u003e: Easy identification and re-ordering to simplify maintenance and stocking.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for both saltwater and chlorine-rich environments, the FC-3743 is part of Filbur’s commitment to value and longevity. Filbur is a leading OEM filter manufacturer in the USA, so you’re choosing a cartridge built to meet strict performance standards and provide dependable filtration over time.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacement cartridge for spa and pool filtration systems that handle heavy debris and high flow demands\u003c\/li\u003e \u003cli\u003eSituations where long filter life and reduced maintenance matter, such as regular spa use or outdoor pool setups\u003c\/li\u003e \u003cli\u003eSaltwater pools and chlorine-intensive environments where end-cap integrity and media durability are crucial\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Filbur FC-3743, you gain a dependable, purpose-built replacement that enhances water clarity, supports consistent filtration performance, and simplifies upkeep. Trust in a cartridge designed for real-world use, built to last, and optimized for easy installation and ongoing maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":40241550131242,"sku":"FC-3743","price":23.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/17-175-1931_xl.jpg?v=1769976125","url":"https:\/\/bathparts.com\/products\/filbur-fc-3743-spa-and-pool-replacement-filter-cartridge-for-inground-and-aboveground-pools","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}