Specification AgeRangeDescription : adult Brand : TAODAN BulletPoint1 : Brass material, small size, low noise, easy installation and durable, long service life, reliable sealing, low permeability. BulletPoint2 : Check valve to prevent the medium in the pipeline from flowing back. It can be used to transfer gases and liquids at a constant pressure. You can use vertical or horizontal levels. BulletPoint3 : One-way check valves effectively prevent empty water in the water heater from causing dry burning, power consumption and unsafe. Once the water in the toilet flows back into the water pipe, it will cause secondary pollution. BulletPoint4 : Suitable for various environments: suitable for water heaters, water tanks and water towers, toilets, garden pipes, RVs, and can also be used for various landscape sprinklers, swimming pools, water parks, aquariums, etc. BulletPoint5 : Unidirectional flow from 1/2" male thread to 1/2" female thread, please confirm the direction before purchasing and installing. BulletPoint6 : Service: If you encounter any problems during installation and use, please contact us through Amazon and we will do our best to solve the problem for you. Color : Bsp-dc Latching ConnectorType : Threaded ExteriorFinish : Brass ExternallyAssignedProductIdentifier : 7338636505693 ExternallyAssignedProductIdentifier1 : 046852103797 ExternallyAssignedProductIdentifier2 : 0046852103797 ExternallyAssignedProductIdentifier3 : 00039923309990 FitType : Universal IncludedComponents : Bunn 41935.0000 ItemDisplayWeight : 0.5 pounds ItemName : One-way Check Valve TAODAN 2PCS 1/2inch Male to 1/2inch Female Thread Backflow Preventer, Non Return One Way Brass Check Valve ItemPackageDimensions_Height : 9.8 centimeters ItemPackageDimensions_Length : 2.5 centimeters ItemPackageDimensions_Width : 6.4 centimeters ItemPackageQuantity : 2 ItemShape : Horizontal Swing ItemTypeKeyword : industrial-check-valves Manufacturer : TAODAN Material : Brass Material1 : Rubber Material2 : Plastic Material3 : Alloy Steel ModelName : XKHLQLPEF ModelNumber : 41164-CVBP-MTF-2 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 2 PartNumber : 41164-CVBP-MTF-2 ProductDescription : Material: Brass Size: 20x35mm / 0.78x1.37inch Suitable for 1/2" male to 1/2" female thread Water flow direction: the outer filament flows to the inner filament ProductSiteLaunchDate : 2023-05-29T01:08:41.447Z Size : 1/2inch Male to 1/2inch Female SpecificationMet : oem SpecificationMet1 : Mss Sp-110 SpecificationMet2 : Nsf-61 Annex G Style : Threaded SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 2 UnspscCode : 40141600