Description brand new and high quality Features: It works to shut off the booter pump when your water filters are blocked or there is no enough feeding water to pass through the pump, thus can avoid any blocking. Durable, reliable and safe, convenient to use. Fit for your booster pump motor. Protects water filter units by limiting water perssure. Pressure Switch ONLY,other accessories demo in the picture is not included. Specification: Material:Food Grade Plastic Color: White + Blue Height: 53mm/2.09in Quantity: 1 Pc Note: No retail package Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Pressure Switch