brand new and fantastic OOTDTY Features: Reliable sealed and anti-aging. Good helper in your repairment of water heater, fuel for valve and Made of good materials, thus it can be used for a long for time. It's a good selection to modify your preceding Pressure Diaphragm ONLY,other package in the photograph isn't included. Specification: Material: Plastic Color: Black Diameter: app/2 Quantity: 10 Pcs Note: No retail kit 1cm=10mm=0 Please allow 0-1cm error thanks to handbook measurement. pls make sure you do not mind before you bid. Due to the variation between diverse monitors, the image may not reflect the actual color of the item. Thank you! Package Includes: 10 Pcs Pressure Diaphragm