Fits 20x20 Duct Opening | Steel Return Air Filter Grille by [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Out Dim: 22 5/8"W X 22 5/8"H

HOW TO MEASURE - Always measure the wall opening to determine which size you should order. Wall Opening Size = Listed Size. If the duct opening on the wall is 20" W x 20" H, please order the 20x20 size option. This return air filter grille is designed for sidewall or ceiling openings. This grill accommodates a 1" thick filter (not included). EFFICIENT AIRFLOW - Experience a quiet and effective airflow for your HVAC system with this air filter grille. 40-degree angled fins promote optimal airflow. It is engineered to reduce noise while enhancing air intake, ensuring a tranquil and comfortable environment in your home.

Maximize performance by pairing this grille with suitable air filters. DURABLE CONSTRUCTION - Made from premium steel with a robust powder paint coating, this cold air return grill provides strength and enduring performance. The steel is stamped to eliminate sharp edges. Its solid construction ensures lasting durability, making it a dependable choice for both residential and commercial applications. ENHANCE HOME AESTHETICS - Featuring a powder-coated finish, the AC return grille resists flaking, scratching, and fading, offering your home or office space a modern appearance while preserving a fresh atmosphere.

The door/face is removable for convenient filter change and cleaning. EASY INSTALLATION & OPERATION - Installing this metal return vent cover grille is simple, with straightforward, hassle-free mounting options and included screws. Enjoy a quick and easy setup to improve your home's ventilation. These return air filter grilles do not require a screwdriver to open; you can effortlessly open the latch with a finger