Professional manufacturing, stable characteristics, high reliability. Control the motor operation by air, pneumatic buttons can be used for any remote control purpose. Widely used in massage bathtub, pumps for swimming pools and spas, spas, sanitary equipment, outdoor machines, etc. Made of high quality stainless steel, corrosion resistant and durable, has a long service life. Easy to install and replace, damaged air button switch can be easily replaced. Product Description AIR SWITCH Air button switch, widely used in massage bathtub, pumps for swimming pools and spas, spas, sanitary equipment, washing machines. 'outdoor, etc. STAINLESS STEEL MATERIAL Air switch, made of high quality stainless steel, corrosion resistant and durable, has a long service life.< /p> NOTICE 1. Please allow 1-2 inch error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.