Description Designed for air compressors and pumps, this accessory ensures optimal performance by providing a reliable seal and pressure control. Made from durable rubber materials, it offers excellent flexibility and resistance to wear. Ideal for maintaining consistent air pressure, it enhances the efficiency and longevity of your equipment. Features -Color:Black -Material:Rubber -Size:3.90X3.90X0.40cm/1.53X1.53X0.16in -Precision sealing technology: ensures airtight performance to prevent gas leakage, enhancing operational efficiency and maintaining consistent pressure levels -Smart pressure control: automatically detects pressure changes to intelligently manage pump start and stop, extending the lifespan of your equipmen -Industrialgrade compatibility: designed for diverse industrial environments, ensuring stable compressor operation and reducing maintenance requirements -Hightemperature and wear resistance: engineered to withstand extreme conditions, providing durability and reliability in demanding work settings -Compact and easy installation: features a small, userfriendly design for quick installation and replacement, compatible with various air pump and compressor modelsPackage list: 4 x pressure switch pad