Features: OOTDTY brand new and great Material: Nitrile rubber,Features: dependable sealing and getting old resistance. Pressure diaphragm of 45mm/50mm fuel water heater. A good helper for upkeep of water heaters, fuel valves, Mainly used to increase water pressure. When the water movie ruptures, it'll leak. When the water number is large, the water stress at the water movie will decrease, and there is practically no water leakage. When the quantity of water is small, the water strain at the water movie will increase, however the leakage fee could be faster. ThePackage Includes: 10 goods of 45mm/50mm size. Specifications: Material: Plastic Weight: 25g/35g Size: 45mm/50mm Color: Black Package Includes: 1x Pressure Diaphragm Note: 1 allow 1-2cm errors because of guide measurement, just you should definitely do not intellect earlier than you order. 2 to the adaptation between varied monitors, the image will not mirror the particular color of the item.