Overall Height/Width/Depth 21/30/6 Inches

Antique White Insulated Molded Plastic

Fits Over Though-Wall-Mounted Air Conditioners Up To 19 Inches High, 27-3/4 Inches Wide, 6 Inches Deep

Attaches To Wall Surrounding Air Conditioner Using 4 Turn Clips (Included)

Prevents Entry Of Cold Outside Air

Mounts to Inside Wall