{"title":"Jacuzzi Filter Cartridges","description":"\u003cdiv id=\"hasp-fcd\"\u003e\n\u003cstyle\u003e\n#hasp-fcd{font-size:16px;line-height:1.6;color:#313539;}\n#hasp-fcd h3{font-size:20px;font-weight:600;color:#1E2D7D;margin:1.2em 0 .4em;}\n#hasp-fcd p{margin:0 0 .85em;}\n#hasp-fcd a{color:#007D93;font-weight:600;}\n#hasp-fcd .hasp-stock{color:#00BADB;font-weight:600;}\n#hasp-fcd .hasp-find{background:#FFF1E9;border-left:4px solid #FF6F20;padding:.7em .9em;border-radius:4px;}\n#hasp-fcd .hasp-find a{color:#B8480F;}\n#hasp-fcd dl{margin:0 0 .5em;}\n#hasp-fcd dt{font-weight:600;color:#1E2D7D;margin-top:.8em;}\n#hasp-fcd dd{margin:.15em 0 0;}\n\u003c\/style\u003e\n\n\u003ch3\u003eJacuzzi Filter Cartridges\u003c\/h3\u003e\n\n\u003cp\u003eJacuzzi replacement filter cartridges — in stock now and shipped fast Australia-wide from HASP, home to Australia’s largest range of spa and pool filter cartridges in a huge variety of sizes and styles.\u003c\/p\u003e\n\n\u003cp class=\"hasp-find\"\u003eNew cartridges are added and updated all the time, so not every filter we stock is shown on this page. \u003cstrong\u003eCan’t see yours? Use our \u003ca href=\"\/pages\/pool-spa-filter-cartridge-finder\"\u003ePool \u0026amp; Spa Filter Cartridge Finder\u003c\/a\u003e\u003c\/strong\u003e to search by length, diameter, end-cap type, hole size, thread size or spigot size — or send us the measurements and we’ll match it for you.\u003c\/p\u003e\n\n\u003cp class=\"hasp-stock\"\u003eWe physically stock more filters than most online retailers, which means faster shipping and convenient local pick-up — without the delays that often come with drop-shipping websites.\u003c\/p\u003e\n\n\u003cp\u003eMany spa and pool filters are rebranded under different part numbers, so our filter search tool is often the easiest way to identify the correct replacement.\u003c\/p\u003e\n\n\u003cp\u003eAll of our filters are made by Darlly, Magnum or their approved OEM manufacturers, using trusted materials such as Darlly, Reemay and Magnum media. We do not sell low-grade eBay, Wish, Temu, Chinese, Technix filters or generic copies — our focus is on quality, fit and reliable filtration.\u003c\/p\u003e\n\n\u003ch3\u003eHow to identify the right replacement cartridge\u003c\/h3\u003e\n\u003cp\u003eMatch your cartridge by its physical measurements rather than the printed part number alone: overall length, outside diameter, and the end-cap style (open hole, internal thread, or spigot). The same element is frequently re-badged across brands and part numbers, so measuring is the surest way to confirm a fit — or let our finder do it for you.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003eI can’t see my filter listed — what now?\u003c\/dt\u003e\n\u003cdd\u003eOur range changes constantly and not every cartridge is shown on each brand page. Measure your cartridge (length, outside diameter and end-cap style) and match it in our \u003ca href=\"\/pages\/pool-spa-filter-cartridge-finder\"\u003ePool \u0026amp; Spa Filter Cartridge Finder\u003c\/a\u003e, or send us the dimensions and we’ll find it for you.\u003c\/dd\u003e\n\u003cdt\u003eAre these genuine, OEM-quality cartridges?\u003c\/dt\u003e\n\u003cdd\u003eThey are OEM-grade replacement cartridges manufactured by Darlly, Magnum or approved OEMs, using Reemay and Magnum filter media. We do not stock cheap generic copies.\u003c\/dd\u003e\n\u003cdt\u003eDo you ship Australia-wide and offer local pick-up?\u003c\/dt\u003e\n\u003cdd\u003eYes — stock is held physically across our VIC, NSW, QLD and WA warehouses for fast nationwide dispatch, with local pick-up from our Carrum Downs showroom in Melbourne.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eCartridges in this range suit a wide range of pool and spa equipment, including SpaPro and WWDG systems and many rebranded equivalents. Need help confirming a fit? Our team can match your old element by measurement.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"fc-faa309","title":"Waterway Rainbow RDC 50 \u0026 Jacuzzi J 245 275- Replacement Cartridge Filter 340mm x 126mm","description":"\u003ch3\u003eWaterway Rainbow RDC 50 \u0026amp; Jacuzzi J 245 275- Replacement Cartridge Filter 340mm x 126mm\u003c\/h3\u003e\u003cp\u003eWaterway \/ Waterco \/ Rainbow RDC50, RTL 50, Jacuzzi J275, J245 top load filter cartridge. Can also be used to replace the RDC25, as it's the same physical size but has more pleats. Has a flat top and bottom with open hole each end. Suits Waterway top load\/in-line, Waterco top load, Rainbow RDC\/ RTL filters - also some Chinese made filters 50 sqft filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA common cartridge used on many spas dating back 20+ years. See other images for some of the more common filter bodies. \u003cem\u003eListing is for the replacement cartridge only.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFilter dimensions: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 338-340mm\u003c\/li\u003e\n\u003cli\u003eWidth: 125mm-126mm\u003c\/li\u003e\n\u003cli\u003eHole ID: 54-55mm\u003c\/li\u003e\n\u003cli\u003eReplaces RFILADF50B on Dyad, Crew, Connect, Tribe, Inspire, \u003cstrong\u003e\u003c\/strong\u003e817-5000, MRA50-1B, FC-FAA309, FC-237, \u003cspan\u003emRD50, mrd50-1b, WWDG 309, SpaPro 339, Unicel C-4950, FC2390, PRB50-IN, Guardian 413-212-02, Jacuzzi J 245, J 275\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMore Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003eShipped Fast\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eJacuzzi J-275, J-245\u003c\/span\u003e\u003c\/p\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":35275638440092,"sku":"FC-FAA309","price":46.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/waterway-rainbow-rdc-50-jacuzzi-j-245-275-replacement-cartridge-filter-340mm-x-126mm-filters-802.webp?v=1784005101"},{"product_id":"390-x-170mm-jacuzzi-proclear-75ft-style-filter-cartridge","title":"Jacuzzi® ProClear 75ft² Style Filter Cartridge - 390 x 170mm","description":"\u003ch3\u003eJacuzzi® ProClear 75ft² Style Filter Cartridge - 390 x 170mm\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e390mm x 170mm \u0026amp; 395mm x 17mm Jacuzzi® ProClear 75ft² Style Filter Cartridge by Darlly. \u003c\/strong\u003e\u003cspan\u003eRemovable Handle Replacement Cartridge Filter Element. \u003c\/span\u003e\u003cspan\u003eHas a bayonet fitting on the top and a coarse thread spigot on the bottom. Bayonet fitting is for the removable twist lock handle (not included).\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Jacuzzi Spa Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFor use on J-LX® \/ J-LXL® models (2011 to current)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJ-300 C60\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJ-415™, J-425™, J-495™ models (2012 to current)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJ-465™, J-470™, J-480™ models (2013 to current)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOther Compatible Filter Numbers\u003c\/strong\u003e: 6CH-960, 6540-164, 6540-383, 6540-476, 6541-383, 6000-383, 6000-383AJ, Aladdin 15203, Darlly 60521, Excel Filters XLS-618, Filbur FC-2800, Guardian 6H9-113, J-300, j365 filter, PJW60TL-F2S.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDETAILS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFILTER DIMENSIONS:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e390-395mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e170mm\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSpigot:\u003c\/strong\u003e 51mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Model:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e6540-164J | \u003cstrong\u003eDarlly: \u003c\/strong\u003eFAD329\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jacuzzi","offers":[{"title":"Default Title","offer_id":44782986821821,"sku":"FC-FAD329","price":66.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/jacuzzi-r-proclear-75ft-style-filter-cartridge-390-x-170mm-499.webp?v=1784005811"},{"product_id":"sc-fc-fba242","title":"Jacuzzi C25 Replacement Filter Cartridge","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eOverall length: ~261mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: ~145mm\u003c\/li\u003e\n\u003cli\u003eTop end: Closed end\u003c\/li\u003e\n\u003cli\u003eBottom end: Open end (~54mm hole)\u003c\/li\u003e\n\u003cli\u003ePart reference: FBA242\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: Dimensions may vary slightly.\u003c\/p\u003e\u003ch3\u003eAlso Suits\u003c\/h3\u003e\u003cp\u003eJWB50 · Jacuzzi Spas C25.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCartridges must match on overall length, outside diameter and end-cap style for a clean drop-in. Confirm the part number on your existing cartridge (FBA242) before ordering, or send us a photo of the end caps and we’ll confirm the right cartridge.\u003c\/p\u003e","brand":"Dimension One","offers":[{"title":"Default Title","offer_id":46837253537981,"sku":"FC-FBA242","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/jacuzzi-c25-replacement-filter-cartridge-268.webp?v=1784006171"},{"product_id":"sc-fc-faa327","title":"Jacuzzi JBW C25 Replacement Filter Cartridge","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eOverall length: ~300mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: ~145mm\u003c\/li\u003e\n\u003cli\u003eTop end: Open end (~34mm hole)\u003c\/li\u003e\n\u003cli\u003eBottom end: Open end (~54mm hole)\u003c\/li\u003e\n\u003cli\u003ePart reference: FAA327\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: Dimensions may vary slightly.\u003c\/p\u003e\u003ch3\u003eAlso Suits\u003c\/h3\u003e\u003cp\u003eJWB C25.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCartridges must match on overall length, outside diameter and end-cap style for a clean drop-in. Confirm the part number on your existing cartridge (FAA327) before ordering, or send us a photo of the end caps and we’ll confirm the right cartridge.\u003c\/p\u003e","brand":"Jacuzzi Spas","offers":[{"title":"Default Title","offer_id":46837253603517,"sku":"FC-FAA327","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/jacuzzi-jbw-c25-replacement-filter-cartridge-271.webp?v=1784004081"},{"product_id":"sc-fc-fcd328","title":"Jacuzzi J-400 C45 Replacement Filter Cartridge","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eOverall length: ~345mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: ~145mm\u003c\/li\u003e\n\u003cli\u003eTop end: Closed top with moulded carry handle\u003c\/li\u003e\n\u003cli\u003eBottom end: Male threaded spigot (~45mm hole)\u003c\/li\u003e\n\u003cli\u003ePart reference: FCD328\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: Dimensions may vary slightly.\u003c\/p\u003e\u003ch3\u003eAlso Suits\u003c\/h3\u003e\u003cp\u003eJacuzzi Spas J-400 C45.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCartridges must match on overall length, outside diameter and end-cap style for a clean drop-in. Confirm the part number on your existing cartridge (FCD328) before ordering, or send us a photo of the end caps and we’ll confirm the right cartridge.\u003c\/p\u003e","brand":"Jacuzzi Spas","offers":[{"title":"Default Title","offer_id":46837255569597,"sku":"FC-FCD328","price":68.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/jacuzzi-j-400-c45-replacement-filter-cartridge-294.webp?v=1784007857"},{"product_id":"sc-fc-fcd330","title":"Jacuzzi J-300 C60 Replacement Filter Cartridge","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eOverall length: ~395mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: ~170mm\u003c\/li\u003e\n\u003cli\u003eTop end: Closed top with moulded carry handle\u003c\/li\u003e\n\u003cli\u003eBottom end: Male threaded spigot (~55mm thread \/ spigot OD)\u003c\/li\u003e\n\u003cli\u003ePart reference: FCD330\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: Dimensions may vary slightly.\u003c\/p\u003e\u003ch3\u003eAlso Suits\u003c\/h3\u003e\u003cp\u003eJacuzzi Spas J-300 C60 (Fixed Handle).\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCartridges must match on overall length, outside diameter and end-cap style for a clean drop-in. Confirm the part number on your existing cartridge (FCD330) before ordering, or send us a photo of the end caps and we’ll confirm the right cartridge.\u003c\/p\u003e","brand":"Jacuzzi Spas","offers":[{"title":"Default Title","offer_id":46837372715197,"sku":"FC-FCD330","price":66.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/jacuzzi-j-300-c60-replacement-filter-cartridge-511.webp?v=1784002213"},{"product_id":"spatex-mrd50-1b-filter-cartridge","title":"MRD50-1B Waterway \/ Rainbow RDC 50 \u0026 Waterco Top Load Filter Cartridge - 340mm x 126mm - 817-5000 - Spatex by Magnum","description":"\u003ch3\u003eSpatex MRD50-1B Waterway \/ Rainbow RDC 50 \u0026amp; Waterco Top Load Filter Cartridge - 340mm x 126mm - 817-5000\u003c\/h3\u003e\n\u003cp\u003eSpatex MRD50-1B replacement pleated filter cartridge, made in New Zealand by Magnum Filters. Suits Waterway and Rainbow RDC50 and RTL50 top load filters, Waterco top load housings, and Jacuzzi J245 and J275 spas. A very common cartridge found on spas dating back more than twenty years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpatex filter cartridges are manufactured by \u003cstrong\u003eMagnum Filters\u003c\/strong\u003e in \u003cstrong\u003eNew Zealand\u003c\/strong\u003e. Magnum have been producing spa and pool filter cartridges since 1982 and supply OEM and co-branded cartridges to spa manufacturers and distributors worldwide. These are not low-grade generic filters - they use quality pleated filtration media for reliable water flow, solid dirt-holding capacity and consistent service life, and are used throughout the Australian spa industry alongside WWDG and SpaPro style filters.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 338mm to 340mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 125mm to 126mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre hole ID:\u003c\/strong\u003e 54mm to 55mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop:\u003c\/strong\u003e Flat with open hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e Flat with open hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter area:\u003c\/strong\u003e 50 sqft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpatex part number:\u003c\/strong\u003e sx-rd50-1b\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnum part number:\u003c\/strong\u003e MRD50-1B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of manufacture:\u003c\/strong\u003e New Zealand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlso Known As\u003c\/h3\u003e\n\u003cp\u003eThis cartridge is sold under a number of OEM, distributor and aftermarket part numbers, including: MRD50-1B, MRD50, MRA50-1B, 817-5000, FAA309, FC-FAA309, FC-237, WWDG 309, SpaPro 339, Unicel C-4950, FC2390, PRB50-IN, Guardian 413-212-02, RFILADF50B.\u003c\/p\u003e\n\u003ch3\u003eCommonly Suits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWaterway top load and in-line filters\u003c\/li\u003e\n\u003cli\u003eWaterco top load filters\u003c\/li\u003e\n\u003cli\u003eRainbow RDC and RTL filter housings\u003c\/li\u003e\n\u003cli\u003eJacuzzi J245 and J275\u003c\/li\u003e\n\u003cli\u003eVarious Chinese-manufactured spas using 50 sqft top load filtration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpa brand alone is not enough to identify a filter. Manufacturers frequently change filtration systems between models and production years, so always compare your existing cartridge before ordering.\u003c\/p\u003e\n\u003ch3\u003eBefore You Order\u003c\/h3\u003e\n\u003cp\u003eThis cartridge can also be used in place of the RDC25. It is the same physical size but carries more pleats, so it gives more filtration area in the same housing.\u003c\/p\u003e\n\u003cp\u003eMeasure the overall length, the outside diameter, the top style and the bottom connection and compare them against this listing. If you are unsure, send us a photo and the measurements of your old cartridge and we will confirm the correct replacement.\u003c\/p\u003e\n\u003ch3\u003eFilter Replacement Guide\u003c\/h3\u003e\n\u003cp\u003eSpa filters should generally be replaced every \u003cstrong\u003e1 to 2 years\u003c\/strong\u003e, depending on usage, water quality, chemical balance and cleaning routine. Rinsing the pleats regularly and soaking the cartridge in a dedicated filter cleaner will extend its working life between replacements.\u003c\/p\u003e","brand":"Spatex","offers":[{"title":"Default Title","offer_id":48351603785917,"sku":"sx-rd50-1b","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/mrd50-1b-waterway-rainbow-rdc-50-waterco-top-load-filter-cartridge-340mm-x-126mm-817-5000-spatex-by-magnum-filters-398.webp?v=1788173962"}],"url":"https:\/\/hasp.com.au\/collections\/jacuzzi-filter-cartridges.oembed","provider":"Heater and Spa Parts","version":"1.0","type":"link"}