Specification Brand : WATERWAY BulletPoint : Pump Union, WW, 2"fbt x 2"s, New Style. BulletPoint1 : (5/pack)151122 O-Ring for Pentek Pentair Water Big Blue Housings BulletPoint2 : about Approximately 5.5" ID x 5.8" OD x 0.165" Thickness BulletPoint3 : Material: Buna-N (nitrile butadiene rubber) BulletPoint4 : Part# 400-4060B same as 400-4060 except this part is in mfg. sealed packaging. BulletPoint5 : Allow you to buy kit selectively rather than the whole set. Contact us if you still have any other questions. Color : White CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 806105081957 ExternallyAssignedProductIdentifier2 : 0806105081957 ItemName : Waterway Plastics Pump Union, WW, 2" fbt x 2" s ItemPackageDimensions_Height : 9.3 centimeters ItemPackageDimensions_Length : 4.6 centimeters ItemPackageDimensions_Width : 8.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-and-spa-replacement-parts ItemTypeName : Cleaner Engine Manufacturer : Waterway Plastics Material : Synthetic Rubber ModelName : Cleaner Engine ModelNumber : SNS-192-B07TZRR3B3 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 400-5570 PowerSourceType : Ac/dc ProductDescription : Pump Union, WW, 2"fbt x 2"s, New Style ProductSiteLaunchDate : 2018-07-18T06:18:08.967Z Style : Above Ground SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 5