12" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 16" Round Duct Pipe and enjoy a comfortable

and enjoy a comfortable

+ Product Description Introducing our 14" x 16" or 16" x 14" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

100% Satisfaction Guaranteed Don't worry

Actual Filter Size – 19 3/4"w x 17 3/4" x 1"

then you'll need a 14-inch round vent

12" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 16" Round Duct Pipe and enjoy a comfortable+ Product Details Size 12"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 22. 5"h] Actual Filter Size 11 3 4"w x 19 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,