12" x 20" or 20" x 12" Cube Core Eggcrate Return Air Grille w30h30 Tool-Free Access for Easy Filter

Tool-Free Access for Easy Filter Changes - Features a user-friendly plastic latch that opens effortlessly without a screwdriver

Actual Filter Size – 29 3/4"w x 27 3/4" x 1"

+ Product Details Size - 25"w X 20"h is the size for the duct opening measurement only

look no further than HVAC Premium

including the ability to mount without removing the thermostat when using the ring base

12" x 20" or 20" x 12" Cube Core Eggcrate Return Air Grille w30h30 Tool-Free Access for Easy Filter+ Product Details Size 12" x 20" or 20" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 21. 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