10Pcs 45mm/50mm Durable Pressure Diaphragm For Water Heater Gas Accessories Water Connection Heater Parts Black Features: brand new and wonderful Material: Nitrile rubber, Features: dependable sealing and ageing resistance. Pressure diaphragm of 45mm/50mm gasoline water heater. A pleasant helper for upkeep of water heaters, gasoline valves, etc. Mainly used to extend water pressure. When the water film ruptures, it will leak. When the water volume is large, the water pressure at the water film will decrease, and there may be virtually no water leakage. When the quantity of water is small, the water pressure on the water film will increase, but the leakage fee is probably faster. The Package Includes: 10 items 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 mistakes because of manual measurement, simply you should definitely do not intellect earlier than you order. 2 to the adaptation between diversified monitors, the image won't reflect the particular shade of the item.