{"product_id":"filbur-fc-3930-spa-and-pool-replacement-filter-cartridge-for-inground-hot-tubs-and-pools","title":"Filbur FC-3930 Spa and Pool Replacement Filter Cartridge for Inground Hot Tubs and Pools","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Filbur FC-3930 Spa\/Pool Replacement Filter Cartridge—the durable, long-lasting solution built to keep water crystal clear in both salt and traditional chlorine systems. Filbur is the leading OEM filter manufacturer in the USA, and this cartridge embodies our commitment to value, strength, and easy maintenance.\u003c\/p\u003e \u003ch2\u003eBuilt to endure and perform\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExtruded PVC center cores\u003c\/strong\u003e deliver the strongest backbone—round holes distribute stress evenly, preventing cracks and collapse even under heavy debris loading.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReinforced center cores\u003c\/strong\u003e improve debris loading and pressure differential, helping you go longer between cleanings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium polyester media\u003c\/strong\u003e offers durability and efficient filtration for longer filter life and clearer water.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSharp pleat folds\u003c\/strong\u003e with a unique synthetic fiber construction prevent bridging, letting dirt penetrate deep into the folds for higher flow and easier cleaning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReinforced antimicrobial end caps\u003c\/strong\u003e repel odor-causing bacteria and mold, and 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 and prevent flutter due to housing turbulence, preserving filtration efficiency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd caps with integrated fittings\u003c\/strong\u003e eliminate the need for pad adapters, simplifying installation and preserving flow.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEmbossed part numbers\u003c\/strong\u003e for easy identification and re-ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eDirect replacement for your Filbur FC-3930\u003c\/h2\u003e\n\u003cp\u003eThis cartridge is designed to slot into standard FC-3930-compatible filter housings, delivering factory-grade filtration performance in a simple swap. It’s built to endure the chemical realities of saltwater pools as well as high-chlorine spa environments, translating to longer service life and fewer cartridge changes.\u003c\/p\u003e \u003ch2\u003eWhat makes it worth choosing\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReliable filtration that supports water clarity and swimmer comfort, even in challenging water chemistry.\u003c\/li\u003e \u003cli\u003eLower maintenance effort thanks to higher debris loading and easy-to-clean pleats.\u003c\/li\u003e \u003cli\u003eLess downtime and fewer replacements compared to generic cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eQuick setup and care tips\u003c\/h2\u003e\n\u003col\u003e \u003cli\u003ePower off your pump and relieve pressure before removing the old cartridge.\u003c\/li\u003e \u003cli\u003eRinse the new FC-3930 cartridge under running water to remove any packaging dust.\u003c\/li\u003e \u003cli\u003eInsert into the housing with the flow direction correctly aligned, then reseal and restart the system.\u003c\/li\u003e \u003cli\u003eRegularly inspect for signs of wear and perform a thorough rinse when flow appears reduced or the pressure gauge rises.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":40241550950442,"sku":"FC-3930","price":40.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/c6600.jpg?v=1769976125","url":"https:\/\/bathparts.com\/en-um\/products\/filbur-fc-3930-spa-and-pool-replacement-filter-cartridge-for-inground-hot-tubs-and-pools","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}