Description: OOTDTY fresh and positive Features: Reliable sealed and anti-aging. Good helper in your repairment of water heater, gasoline for valve and Made of good materials, thus it can be used for an extended for time. It's a good choice to replace your preceding Pressure Diaphragm ONLY,other kit in the photo isn't included. Specification: Material: Plastic Color: Black Diameter: app/2 Quantity: 10 Pcs Note: No retail kit 1cm=10mm=0 Please enable 0-1cm error due to instruction manual measurement. pls ensure you do not mind earlier than you bid. Due to the variation between assorted monitors, the picture won't mirror the particular shade of the item. Thank you! Package Includes: 10 Pcs Pressure Diaphragm