Qmark Aluminum, 1-In Semi Recessed Mounting Frame for Wall Heater Series SSAR, SSHO & MCSSAR Features:

• Ability to have the unit partially recessed into the wall without fully mounting on the surface of the wall.
• 1 Inch plus the grill width will extend past the wall surface.
• Dimensions: 16.25"(W) x 19.675"(H) x 1"(D).