Specification Brand : SpiroPure BulletPoint1 : Outer Diameter: 6” Length: 7” Top Style: 2” Open; Bottom Style: 2” MPT BulletPoint2 : Compatible with Artesian Spa 06-0052-12, 06-0055-12 4012RS; Pleatco PAS28, PAS28-F2L-B12, X29-PAS28-F2L; and Filbur FC-0312, FC-0309 Hot Tub Spa Filters. BulletPoint3 : SpiroPure pool and spa filter cartridges offer long-lasting, durable filter media with high dirt holding capacity for clear, sparkling water in your pool or hot tub spa. BulletPoint4 : A strong inner core means increased strength without hindering water flow or filtration performance. BulletPoint5 : Easy to install, durable filter cartridges that allow for high filtration performance and efficiency ExternallyAssignedProductIdentifier1 : 840162417465 ExternallyAssignedProductIdentifier2 : 0840162417465 ItemName : SpiroPure Replacement for Artesian Spa 06-0052-12 06-0055-12 4012RS Pleatco PAS28 PAS28-F2L-B12 Filbur FC-0312 FC-0309 Hot Tub Spa Pool Replacement Cartridge (Pack of 4) ItemPackageDimensions_Height : 33.782 centimeters ItemPackageDimensions_Length : 24.638 centimeters ItemPackageDimensions_Width : 33.528 centimeters ItemTypeKeyword : swimming-pool-and-spa-replacement-parts Manufacturer : SpiroPure ModelNumber : SP-PS-PAS28 (Case of 4) NumberOfBoxes : 1 PackageLevel : case PartNumber : SP-PS-PAS28 (Case of 4) ProductDescription : SpiroPure SP-PS-PAS28 Hottub Spa Pool Filter Replacement Cartridge. Easy to install, durable filter cartridges that allow for high filtration performance and efficiency. SupplierDeclaredDgHzRegulation : not_applicable