High quality material, accurate hole registration, not covering the digital display and LED lights. It has excellent durability and contact, and can be replaced with a new one to restore the original state.Easy to install, the attachment on the end of the backing plate makes installation easy to fix heating performance issues with the system. Suitable for MasterTemp pool and spa heater electrical system switch membrane pad replacement. Function: Replacing the switch membrane pads fixes the heating performance of your system, if your pool heater turns on randomly, it may be time to replace the membrane pads. Feature: Buttons are easy to use, keys are clearly marked. Advantage: Install this membrane pad in minutes to attach to the end of the pad, making installation easy. Package Includes: 1x pool heater membrane pad.