20" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Flat Oval- Vertical Elbow Transition + Product Details Size &

+ Product Details Size & Compatibility – The size of sheet metal pipe is 8" round x 20' long

Actual Filter Size – 27 3/4"w x 19 3/4" x 1"

2" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

1x 90° Vertical Elbow

20" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Flat Oval- Vertical Elbow Transition + Product Details Size &+ Product Details Size 20"w X 16"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 18. 5"h] Actual Filter Size 19 3 4"w x 15 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,