Specification Brand : SpiroPure BulletPoint1 : Outer Diameter: 9 15/16" Length: 25 5/16" Top Style: 5-13/16" Open; Bottom Style: 6-1/16" Open; Media: 150 SF BulletPoint2 : Compatible with Unicel C-9403 Pleatco PWW150-4 Filbur FC-2969 Waterway 150 817-0150 Hot Tub Spa Filter. 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 : 0840162415621 ExternallyAssignedProductIdentifier2 : 840162415621 ItemDisplayDimensions_Diameter : 9.9 inches ItemDisplayDimensions_Height : 25.3 inches ItemName : SpiroPure Replacement for Unicel C-9403 Pleatco PWW150-4 Filbur FC-2969 Waterway 150 817-0150 Hot Tub Spa Pool Filter Replacement Cartridge ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-cartridge-filter-inserts Manufacturer : SpiroPure ModelNumber : SP-PS-2969 NumberOfItems : 1 PartNumber : SP-PS-2969 ProductDescription : SpiroPure SP-PS-2969 Hottub Spa Pool Filter Replacement Cartridge. Easy to install, durable filter cartridges that allow for high filtration performance and efficiency. Size : 9 15/16" x 25 5/16"