{"product_id":"wellis-aku2998-oem-crystal-super-fine-spa-filter","title":"Wellis Crystal Super Fine OEM Spa Filter – 50 Sq. Ft. – AKU2998","description":"\u003ch2\u003eGenuine Wellis Crystal Super Fine OEM Spa Filter\u003c\/h2\u003e\n\n\u003cp\u003eMaintain clean, clear spa water with the genuine Wellis Crystal Super Fine replacement filter. This OEM cartridge is manufactured for compatible Wellis hot tubs and swim spas equipped with the corresponding open-ended filter system.\u003c\/p\u003e\n\n\u003cp\u003eThe AKU2998 provides 50 square feet of pleated filtration media and measures approximately 5 inches in diameter by 13¼ inches long. Both ends are open, with no threaded connection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis genuine Wellis filter replaces the earlier Wellis AKU1831 cartridge.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage includes one OEM Wellis filter cartridge.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003e🔹 Key Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGenuine OEM Wellis replacement filter\u003c\/li\u003e\n  \u003cli\u003eCrystal Super Fine pleated filtration media\u003c\/li\u003e\n  \u003cli\u003eProvides 50 square feet of filtration area\u003c\/li\u003e\n  \u003cli\u003eHelps capture dirt, debris, oils and other contaminants\u003c\/li\u003e\n  \u003cli\u003eSupports proper water circulation and filtration\u003c\/li\u003e\n  \u003cli\u003eOpen-ended design with no threaded connection\u003c\/li\u003e\n  \u003cli\u003eWashable and reusable with proper maintenance\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for Wellis AKU2998\u003c\/li\u003e\n  \u003cli\u003eReplaces the earlier Wellis AKU1831 cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e🔍 Compatible Wellis Spas\u003c\/h2\u003e\n\n\u003cp\u003eThe AKU2998 has been used in select versions of the following Wellis hot tubs and swim spas:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWellis Cordoba 2\u003c\/li\u003e\n  \u003cli\u003eWellis Danube Turbine 2019\u003c\/li\u003e\n  \u003cli\u003eWellis Danube W-Flow 2019\u003c\/li\u003e\n  \u003cli\u003eWellis Earth P\u0026amp;P\u003c\/li\u003e\n  \u003cli\u003eWellis Elbrus 2018\u003c\/li\u003e\n  \u003cli\u003eWellis Elbrus Forest Holidays\u003c\/li\u003e\n  \u003cli\u003eWellis Hercules\u003c\/li\u003e\n  \u003cli\u003eWellis Jersey Sterling Silver\u003c\/li\u003e\n  \u003cli\u003eWellis London Deluxe\u003c\/li\u003e\n  \u003cli\u003eWellis Malaga 2018\u003c\/li\u003e\n  \u003cli\u003eWellis Malaga 2018 Standard\u003c\/li\u003e\n  \u003cli\u003eWellis Malaga Forest Holidays\u003c\/li\u003e\n  \u003cli\u003eWellis Manhattan 2018\u003c\/li\u003e\n  \u003cli\u003eWellis Manhattan NTR\u003c\/li\u003e\n  \u003cli\u003eWellis Marbella\u003c\/li\u003e\n  \u003cli\u003eWellis Marbella Forest Holidays\u003c\/li\u003e\n  \u003cli\u003eWellis Olympus\u003c\/li\u003e\n  \u003cli\u003eWellis Palermo 2018\u003c\/li\u003e\n  \u003cli\u003eWellis Palermo 2018 Standard\u003c\/li\u003e\n  \u003cli\u003eWellis Paris Deluxe\u003c\/li\u003e\n  \u003cli\u003eWellis Porto 2\u003c\/li\u003e\n  \u003cli\u003eWellis Rio Grande Turbine 2019\u003c\/li\u003e\n  \u003cli\u003eWellis Rio Grande W-Flow 2019\u003c\/li\u003e\n  \u003cli\u003eWellis Valencia 2\u003c\/li\u003e\n  \u003cli\u003eWellis Week End 453\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The Wellis Olympus listed above is a Wellis model. This filter is not being represented as compatible with hot tubs manufactured by the separate Olympus Spas brand.\u003c\/p\u003e\n\n\u003cp\u003eWellis may use different filters based on the spa’s model year and filtration configuration. Confirm the AKU2998 or AKU1831 number on your current filter, or compare its measurements and open-end design before ordering.\u003c\/p\u003e\n\n\u003ch2\u003e📏 Confirm Your Filter Before Ordering\u003c\/h2\u003e\n\n\u003cp\u003eYour existing filter should match all of the following:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eApproximately 5 inches in outside diameter\u003c\/li\u003e\n  \u003cli\u003eApproximately 13¼ inches in overall length\u003c\/li\u003e\n  \u003cli\u003e50 square feet of filtration media\u003c\/li\u003e\n  \u003cli\u003eOpen top measuring approximately 2⅛ inches\u003c\/li\u003e\n  \u003cli\u003eOpen bottom measuring approximately 2⅛ inches\u003c\/li\u003e\n  \u003cli\u003eNo threaded connection on either end\u003c\/li\u003e\n  \u003cli\u003eWellis filter number AKU2998 or earlier AKU1831\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIf you are uncertain, contact Southern Leisure with pictures of the top and bottom of your current filter, its measurements and your spa’s model information before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003e📋 How to Replace\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eTurn off power to the spa at the breaker.\u003c\/li\u003e\n  \u003cli\u003eRemove the filter cover or skimmer assembly.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the existing filter cartridge.\u003c\/li\u003e\n  \u003cli\u003eClean any loose debris from the filter compartment.\u003c\/li\u003e\n  \u003cli\u003eRemove all protective packaging from the new filter.\u003c\/li\u003e\n  \u003cli\u003ePosition the new cartridge in the same orientation as the previous filter.\u003c\/li\u003e\n  \u003cli\u003eMake sure the filter is properly seated in the housing.\u003c\/li\u003e\n  \u003cli\u003eReinstall the filter cover or skimmer assembly.\u003c\/li\u003e\n  \u003cli\u003eRestore power and confirm normal water circulation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003e💬 Southern Leisure Says\u003c\/h2\u003e\n\n\u003cp\u003eMatching the Wellis part number is the most dependable way to identify this filter. If the current cartridge is marked AKU2998 or AKU1831 and its dimensions and open ends match, this is the proper OEM replacement.\u003c\/p\u003e\n\n\u003cp\u003eDo not select a spa filter based only on its length and diameter. The opening sizes and end-cap configuration must also match.\u003c\/p\u003e\n\n\u003ch2\u003e🧼 Care \u0026amp; Maintenance\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRinse the filter regularly with a garden hose.\u003c\/li\u003e\n  \u003cli\u003eCarefully rinse between each pleat to remove trapped debris.\u003c\/li\u003e\n  \u003cli\u003eClean more frequently during periods of heavy spa use.\u003c\/li\u003e\n  \u003cli\u003eUse a dedicated spa cartridge cleaner to remove oils and residue.\u003c\/li\u003e\n  \u003cli\u003eRinse away all cleaning solution before reinstalling the cartridge.\u003c\/li\u003e\n  \u003cli\u003eDo not use a pressure washer, stiff brush or sharp cleaning tool.\u003c\/li\u003e\n  \u003cli\u003eMaintain balanced spa-water chemistry to support filter performance.\u003c\/li\u003e\n  \u003cli\u003eReplace the filter if the pleats become torn, collapsed or permanently restricted.\u003c\/li\u003e\n  \u003cli\u003eConsider rotating two filters so one can be cleaned and dried thoroughly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e📌 Product Quick Facts\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wellis\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Crystal Super Fine spa filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer number:\u003c\/strong\u003e AKU2998\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Wellis AKU1831\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFiltration area:\u003c\/strong\u003e 50 square feet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e Approximately 5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e Approximately 13¼ inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop:\u003c\/strong\u003e Open\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e Open\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreaded connection:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage quantity:\u003c\/strong\u003e One filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM product:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e⚙️ Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eWellis\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eAKU2998\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePrevious Wellis Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eAKU1831\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCrystal Super Fine pleated cartridge\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFiltration Area\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e50 sq. ft.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApproximately 5 inches (124–125 mm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApproximately 13¼ inches (334–335 mm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTop Connection\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApproximately 2⅛-inch open hole\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBottom Connection\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApproximately 2⅛-inch open hole\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eThreaded\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eNo\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOne filter cartridge\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOEM Product\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch4\u003eIs this a genuine Wellis filter?\u003c\/h4\u003e\n\n\u003cp\u003eYes. This is a genuine OEM Wellis Crystal Super Fine filter with manufacturer number AKU2998.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this filter replace AKU1831?\u003c\/h4\u003e\n\n\u003cp\u003eYes. The Wellis AKU2998 is the replacement for the earlier AKU1831 cartridge. Always compare the dimensions and open-end configuration before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this filter have a threaded connection?\u003c\/h4\u003e\n\n\u003cp\u003eNo. Both ends are open and do not have threads.\u003c\/p\u003e\n\n\u003ch4\u003eHow many filters are included?\u003c\/h4\u003e\n\n\u003cp\u003eThis listing includes one OEM Wellis filter cartridge.\u003c\/p\u003e\n\n\u003ch4\u003eWill this fit every Wellis spa?\u003c\/h4\u003e\n\n\u003cp\u003eNo. Wellis uses several different filter sizes and connection styles. Confirm the filter number, dimensions and end-cap design before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this fit Olympus Spas?\u003c\/h4\u003e\n\n\u003cp\u003eThis filter has been used in a Wellis model named Olympus. That model should not be confused with hot tubs manufactured by the separate Olympus Spas brand. Compatibility with Olympus Spas is not being claimed.\u003c\/p\u003e\n\n\u003ch4\u003eHow often should I clean the filter?\u003c\/h4\u003e\n\n\u003cp\u003eRinse it regularly and perform a deeper cleaning with a dedicated cartridge cleaner based on spa usage and water conditions. Heavily used spas require more frequent cleaning.\u003c\/p\u003e\n\n\u003ch4\u003eWhen should the filter be replaced?\u003c\/h4\u003e\n\n\u003cp\u003eReplace it when the pleats become torn, damaged, collapsed or permanently restricted, or when normal water flow cannot be restored through cleaning.\u003c\/p\u003e\n\n\u003ch2\u003e🛡️ Why Buy From Southern Leisure?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGenuine OEM Wellis replacement part\u003c\/li\u003e\n  \u003cli\u003eCompatibility assistance from experienced spa professionals\u003c\/li\u003e\n  \u003cli\u003eHelp confirming the correct filter before ordering\u003c\/li\u003e\n  \u003cli\u003eConvenient shipping and local pickup options\u003c\/li\u003e\n  \u003cli\u003eTrusted by spa owners since 2013\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e📦 Shipping \u0026amp; Pickup\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eShips as one OEM Wellis filter cartridge\u003c\/li\u003e\n  \u003cli\u003eShipping and pickup options are displayed at checkout\u003c\/li\u003e\n  \u003cli\u003eInspect the cartridge and end caps for shipping damage upon arrival\u003c\/li\u003e\n  \u003cli\u003eKeep the filter clean and protected until installation\u003c\/li\u003e\n  \u003cli\u003eConfirm compatibility before installing or wetting the filter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wellis Spas","offers":[{"title":"Default Title","offer_id":47281244799145,"sku":"AKU2998","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/9939\/6265\/files\/wellis-crystal-super-fine-oem-spa-filter-50-sq-ft-aku2998-7465340.png?v=1785846968","url":"https:\/\/shop.southernleisurespas.com\/products\/wellis-aku2998-oem-crystal-super-fine-spa-filter","provider":"Southern Leisure Spas \u0026 Wellness","version":"1.0","type":"link"}