Description: OOTDTY brand new and superb Features: Reliable sealed and anti-aging. Good helper in your repairment of water heater, fuel for valve and Made of fantastic materials, thus it can be used for an extended for time. It's a good selection to exchange your outdated Pressure Diaphragm ONLY,other equipment within the photograph is not included. Specification: Material: Plastic Color: Black Diameter: app/2 Quantity: 10 Pcs Note: No retail package 1cm=10mm=0 Please allow 0-1cm error because of handbook measurement. pls make sure you don't mind earlier than you bid. Due to the variation between assorted monitors, the picture will not replicate the actual coloration of the item. Thank you! Package Includes: 10 Pcs Pressure Diaphragm