Specification Brand : JianLing BulletPoint : Price For: Each Item: Single Check Kit Includes: Disc Holder Assembly, Cover O-Ring Country of Origin (subject to change): China BulletPoint1 : High Quality: Made of high quality stainless steel, small size, low noise, easy installation, durable, long service life and reliable sealing. BulletPoint2 : Check valve function: The anti-return valve is mainly used for one-way water flow. Water is only allowed to flow in one direction to prevent accidents caused by water backflow. Can be used for constant pressure delivery of gases and liquids. A vertical or horizontal spirit level can be used. BulletPoint3 : Our advantage: With two different types of stainless steel check valves, suitable for a variety of situations, preventing backfilling and refusing to drink toilet water! Please install a check valve connector between the toilet tank and the stainless steel hose, allowing water to flow from 1/2 inch inner/male thread to 1/2 inch male/female thread, water only allows one-way flow. Within seconds of installation, your family will have healthy water in no time. BulletPoint4 : Refuse to worry: Do you have toilet water flowing back into the water pipe, causing blue water from the kitchen faucet. The hot water inside the electric water heater flows backwards, causing it to dry out or even explode. The solar hot water flows back to the water tower, causing waste of hot water energy. Just install a check valve to prevent water from flowing back, and easily solve the above troubles! BulletPoint5 : Wide range of applications: 1/2" check valve is used in bathroom sinks, water heaters, water tanks and water towers, toilets, garden pipes, RVs, and can also be used in various landscape sprinklers, swimming pools, water parks, aquariums, etc. When purchasing and installing, pay attention to The flow of liquid (marked by the arrow on the product), if the installation is reversed, the water will not come out. Color : White ConnectorType : Ring ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 0740866409066 ExternallyAssignedProductIdentifier2 : 740866409066 ItemDisplayWeight : 7.81 pounds ItemName : JianLing 2IN1 Stainless Steel Check Valves - 1/2" Female to 1/2" Male Thread Non Return One Way Backflow Preventer and One Way Check Valve Kit with 2pcs Sealing Gasket ItemPackageDimensions_Height : 6.604 centimeters ItemPackageDimensions_Length : 2.3876 centimeters ItemPackageDimensions_Width : 4.5974 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : industrial-check-valves Manufacturer : JianLing Material : Stainless Steel ModelName : Narootedi0kvog1m2-11 ModelNumber : TOWCV-FTOM-12-2 NumberOfItems : 2 NumberOfPieces : 2 NumberOfPorts : 2 PartNumber : TOWCV-FTOM-12-2 ProductDescription : Name: stainless steel check valve Material: Stainless Steel Color: silver Model: male to female, female to male Size: Female to Male: 1/2" female thread to 1/2" male thread Male to Female: 1/2" male thread to 1/2" female thread