20" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES w10h10 Easy Cutting – Offset and

Easy Cutting – Offset and Spring Loaded design for easy

+ Product Details Size - 12"w X 6"h is the size for the duct opening measurement only

Made of Galvanized Metal To Prevent Corrosion and Oxidation & Rust From Water & Moisture That Lasts Longer Requiring Less Maintenance – Save Money With This Energy Efficient Material Maximizes Airflow And Reduces Fire Hazards

+ Product Details Size – 26" x 32" or 32" x 26" is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The 7" round quadrant volume damper is compatible with duct 7"

20" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES w10h10 Easy Cutting – Offset and+ Product Details Size 20"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 12. 5"h] Actual Filter Size 19 3 4"w x 9 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,