C G Air keypad Backlit Deluxe panel, used on Mansfield Whirlpool Tubs. Designed to Control Variable Speed Blower. Designed to Control Variable Speed Blower, keypad is Rectangle w/Rounded Sides and No Display. Measures 5.75" x 1.5" and has 4 button overlay included (Power, Up, Down, Variable, Light). This Keypad is Compatible with the following series/system(s) - CG Air 3-70-0831 Control Box - EVO0, 3-70-0832 Control Box - Chromatherapy, 5-30-0523 Chromatherapy Light, 5-30-0524 Chromatherapy Light.