{"product_id":"proaqua-filter-4306-pair","title":"ProAqua Rainbow 50 Sq. Ft. Replacement Filter Cartridge (40505)","description":"\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003cp\u003eKeep your hot tub water sparkling clean with the \u003cstrong\u003eProAqua Rainbow 50 Sq. Ft. Replacement Filter Cartridge\u003c\/strong\u003e. Designed for superior filtration performance, this high-capacity cartridge captures dirt, debris, body oils, and other contaminants before they can affect water quality or spa performance.\u003c\/p\u003e\n\u003cp\u003eManufactured with premium pleated filtration media, the Rainbow 50 filter provides excellent water flow while maximizing dirt-holding capacity. Its larger 50 sq. ft. filtration area helps maintain cleaner water for longer periods between cleanings, making it an ideal choice for high-use spas and hot tubs.\u003c\/p\u003e\n\u003cp\u003eWhether you're replacing an aging filter or keeping a spare on hand, the ProAqua 40505 delivers dependable OEM-quality performance to help protect pumps, heaters, and circulation systems while ensuring a cleaner and more enjoyable spa experience.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e✔ 50 square feet of filtration area\u003c\/p\u003e\n\u003cp\u003e✔ Premium pleated filtration media\u003c\/p\u003e\n\u003cp\u003e✔ Improves water clarity and cleanliness\u003c\/p\u003e\n\u003cp\u003e✔ Captures dirt, oils, and fine debris\u003c\/p\u003e\n\u003cp\u003e✔ High dirt-holding capacity\u003c\/p\u003e\n\u003cp\u003e✔ OEM-quality replacement performance\u003c\/p\u003e\n\u003cp\u003e✔ Easy to clean and maintain\u003c\/p\u003e\n\u003cp\u003e✔ Durable construction for extended filter life\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"___5wvz9a0 ftgm304 f1oy3dpc fm6nont f48hbct\" role=\"presentation\" tabindex=\"0\"\u003e\n\u003cdiv class=\"___1dmoc29 f10pi13n ftgm304 f1enuhaj fdclmfp f1nbblvp fat0sn4 f1ov4xf1 fekwl8i f1lmfglv f1oz7aqm f1abmfm4 f1w619qj f16h0jq8\"\u003e\n\u003ctable class=\"___1vyiefv f1ddd56o f16vktn6 f1ahpp82 f11qra4b f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f10ghnd0 f8fmt76 fjvbh62 f1qrqxae f1vw5qpk fc02sbz fxawf59 fymf513 f1aoyrul f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f1o0pw0q fbjjl9v fk1v6el f16pyhcb f1ixlhx9 f12zef0i flu5r5u f19haqzy f1owmcxx f1oddm8q f1004tna fcoaxci fh0ee9u f15v23i2 f1dmj53 f1r1gcv9 f14z1veh ffufd3x f1ypplot f1660cg\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Area\u003c\/td\u003e\n\u003ctd\u003e50 Sq. Ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e4-15\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e13-5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Opening\u003c\/td\u003e\n\u003ctd\u003e2-1\/8\" Open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Opening\u003c\/td\u003e\n\u003ctd\u003e2-1\/8\" Open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eReplacement Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eAlways verify dimensions and end cap configuration before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Spa Brands \u0026amp; Models\u003c\/h2\u003e\n\u003cp\u003eThis filter is commonly used in:\u003c\/p\u003e\n\u003ch3\u003eWaterway Rainbow Dynamic Systems\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRainbow Dynamic 50 Filtration Systems\u003c\/li\u003e\n\u003cli\u003eWaterway Top Load 50 Filtration Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Spa Brands\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBullfrog Spas\u003c\/li\u003e\n\u003cli\u003eClearwater Spas\u003c\/li\u003e\n\u003cli\u003eCoast Spas\u003c\/li\u003e\n\u003cli\u003eLeisure Bay Spas\u003c\/li\u003e\n\u003cli\u003eSun \u0026amp; Soul Spas\u003c\/li\u003e\n\u003cli\u003ePDC Spas\u003c\/li\u003e\n\u003cli\u003eViking Spas\u003c\/li\u003e\n\u003cli\u003eWaterway Plastics Spa Systems\u003c\/li\u003e\n\u003cli\u003eSelect Sundance Spa Models\u003c\/li\u003e\n\u003cli\u003eVarious private-label spas utilizing Rainbow Dynamic 50 filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways compare your existing filter dimensions and end-cap style to ensure proper fitment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCross Reference Part Numbers\u003c\/h2\u003e\n\u003cp\u003eThis filter is compatible with and replaces:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProAqua 40505\u003c\/li\u003e\n\u003cli\u003ePleatco PRB50-IN\u003c\/li\u003e\n\u003cli\u003eUnicel C-4950\u003c\/li\u003e\n\u003cli\u003eFilbur FC-2390\u003c\/li\u003e\n\u003cli\u003eDarlly 40506\u003c\/li\u003e\n\u003cli\u003eWaterway 817-0050\u003c\/li\u003e\n\u003cli\u003eWaterway 817-0500\u003c\/li\u003e\n\u003cli\u003eRainbow Dynamic 50\u003c\/li\u003e\n\u003cli\u003eAladdin 15006\u003c\/li\u003e\n\u003cli\u003eAPCC7080\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Replace Your Hot Tub Filter?\u003c\/h2\u003e\n\u003cp\u003eRegular filter replacement helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImprove water clarity\u003c\/li\u003e\n\u003cli\u003eIncrease filtration efficiency\u003c\/li\u003e\n\u003cli\u003eReduce strain on pumps and heaters\u003c\/li\u003e\n\u003cli\u003eImprove sanitizer effectiveness\u003c\/li\u003e\n\u003cli\u003eExtend spa equipment life\u003c\/li\u003e\n\u003cli\u003eMaintain proper water circulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor best results, rinse your filter every 2 to 4 weeks and perform a deep cleaning every 3 to 4 months. Replace your filter annually, or sooner depending on spa usage and water conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePro Tip\u003c\/h2\u003e\n\u003cp\u003eKeeping a second filter cartridge allows you to rotate filters during cleaning cycles. This ensures continuous filtration performance while extending the lifespan of both cartridges.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Aqua Spa \u0026 Pool Supply","offers":[{"title":"Default Title","offer_id":46355702186156,"sku":"M4306","price":85.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/2077\/8156\/files\/8531ba2c134a7bdeef9eccfe9d32f07659385f25.jpg?v=1780945971","url":"https:\/\/snowvalleyspas.ca\/products\/proaqua-filter-4306-pair","provider":"Snow Valley Spas","version":"1.0","type":"link"}