18" X 6" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White white Actual Filter Size – 35

Actual Filter Size – 35 3/4"w x 33 3/4" x 1"

If you are looking to enhance your project with a top-of-the-line unit

High Quality – High-quality steel with counter-sunk screw holes (screws included) and no sharp edges

actual front end outer dimensions are approximately 12 5/8" width X 28 5/8" height

And is classified as Class 1 Fire Proof - B1

18" X 6" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White white Actual Filter Size – 35+ Product Details Outer dimensions: 19. 75"W x 7. 75"H fits a 18" X 6" duct opening Durable stamped steel construction ensures long lasting performance Designed for sidewall and ceiling installation with included screws Multi shutter damper with easy lever for precise airflow control Smooth powder coated white finish for a sleek look and scratch resistance + Product Description Maximize your homes airflow with this premium Air Supply Grille air supply