6" x 6" Cube Core Eggcrate Return Air Grille Filter Grille It has an outer surface

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

they seamlessly integrate into your space

Solid Rigid Steel Body For Durability and Reliability

+ Product Details Size – 18" Corner Baseboard Grille - White - HVAC corner vent cover

+ Product Details Size - 6"w X 6"h is the size for the duct opening measurement only

6" x 6" Cube Core Eggcrate Return Air Grille Filter Grille It has an outer surface+ Product Details Size 6" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 7. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and