Specification Brand : DAYEAR BulletPoint1 : Compatibility:This 4ch-949 spa filter is compatible with Pleatco PWW50L, Unicel 4CH-949, Unicel 4CH-926, Filbur FC-0172, SD-01143, 817-4050, Baleen AK-90091, Magnum O250, Darlly 42522, Excel Filters XLS-479(NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. DAYEAR is an independent brand) BulletPoint2 : Specifications: Length: 13 1/2”; Outside Diameter: 4 15/16”; Top: Handle; Bottom: 2" female sae thread; Filtration Area: 50 sq. ft BulletPoint3 : Easy to Clean: DAYEAR, as a manufacturer,uses trilobal fabric structure filter material makes it easy to release impurities when cleaning the spa cartridge filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance BulletPoint4 : Long Service Life: This 200702 spa filter life exceeds 1 year based on normal wear. Compatible with most indoor/outdoor, inground, above-ground swimming pools, hot tubs, and spas. Enjoy clean leisure time in your hot tub BulletPoint5 : Easy Maintenance: Convenient access for hassle-free cleaning and replacement when needed Color : White ContainsLiquidContents : 1 ExternallyAssignedProductIdentifier1 : 660174000000 ExternallyAssignedProductIdentifier2 : 0660174000000 GpsrSafetyAttestation : 1 Hazmat : 9 ItemForm : Powder ItemName : DAYEAR Spa Filter Replaces PWW50L, 4CH-949, FIL50-5D13H15FCT-3, FC-0172, SD-01143, SC757, 817-4050 Hot Tub Filters, 2 Pack ItemPackageDimensions_Height : 38.4048 centimeters ItemPackageDimensions_Length : 12.9032 centimeters ItemPackageDimensions_Width : 26.3906 centimeters ItemPackageQuantity : 4 ItemShape : Round ItemTypeKeyword : swimming-pool-cartridge-filters Manufacturer : JIAZE Material : Plastic ModelName : DY-PW50l ModelNumber : DY-PW50l NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : DY-PW50l-2 PowerSourceType : no ProductDescription : The pww50l spa filters are vital for the cleanliness of your water as well and the performance and longevity of your hot tub and spa components. The key technical advantages of DAYEARs filtration fabric include uniformity of thickness, weight and flow resistance, with no vulnerable thin spots. Others are the filtration efficiency, the rigidity of the pleats against deflection, the high mass and consequent high surface area and strength of the material, the fine diameter of the fibers, and the trilobal fiber shape which adds further to the surface area for particle adsorption.(Note: all the manufacturers' name and brands' name are just for reference purposes only, we own an independent brand. ) ProductSiteLaunchDate : 2013-02-05T00:00:00.000-08:00 Size : 32 Ounce (Pack of 1) SpecificUsesForProduct : pool cartridge filter cleaner Style : 525 Sq Ft (32 13/16" Height) C5030 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Pool Filter UnitCount : 32 UnspscCode : 40161505