Standard 42 X 16 X 13.75-in Wall Sleeve

Lined With Acoustical & Thermal Insulation

Made Of Heavy Duty Galvanized Steel

Powder Coated Paint For Superior Adhesion & Protection

Exterior Weather Barrier Included For Construction Phase

Key Hole Slots For Easy Rear Grille Mounting

Sturdy Four Piece Design

Color Matched For Az45/65 Zoneline Series