22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Compatible With Duct 10in + Product Details Size –

+ Product Details Size – 24" x 24" with 12" collar T-Bar drop ceiling perforated return grill - metal back casing

75"H – fits a 18" X 4" duct opening

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height

while the ingenious dial-controlled damper empowers you to effortlessly regulate airflow using your foot

thanks to counter-sunk screw holes and included screws

22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Compatible With Duct 10in + Product Details Size –+ Product Details Size 22" x 24" or 24" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 25. 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