Specification Brand : Pentair BulletPoint1 : Replacement filter cartridge designed for the Avenli CleanPlus Filter Pumps BulletPoint2 : Compatible with other 300-gallon filter pump models BulletPoint3 : Replace every 2 to 5 weeks to keep your pool pump in prime condition BulletPoint4 : Environmentally friendly pool filter cartridge is reusable; Clean by washing out BulletPoint5 : Color: White/Blue Color : Advanced ExternallyAssignedProductIdentifier1 : 0852673930180 ExternallyAssignedProductIdentifier2 : 852673930180 ExternallyAssignedProductIdentifier3 : 702938347461 ExternallyAssignedProductIdentifier4 : 744271310610 ItemDisplayDimensions_Height : 8 inches ItemDisplayDimensions_Length : 28 inches ItemDisplayDimensions_Width : 8 inches ItemName : Pentair 355331 Diffuser / Challenger O-Ring ItemPackageDimensions_Height : 3.15 inches ItemPackageDimensions_Length : 3.15 inches ItemPackageDimensions_Width : 3.15 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : swimming-pool-and-spa-replacement-parts ItemTypeName : spa filter cartridge Manufacturer : Pentair Water Material : rubber ModelName : HF4H935 ModelNumber : HF4H935-01 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : ARZOM355331L12B PowerSourceType : manual ProductDescription : � Model Number: 355331 � Brand: Pacfab � Compatible Parts: - 47023304 - 0421 - PAC1013135 This PacFab Diffuser O-ring 355331 is designed for use with Challenger Pumps. Manufactured of high-quality rubber by Pentair pool products, a common name in pool pump parts, this high-pressure replacement O-ring fits tightly, guarding against any leaks or drips. Durable and reasonably-priced, this Pacfab O-ring is made to last and will provide long-lasting and efficient service for your pool. Size : Anti bacteria (4 Pack) Style : PREMIUM SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1