20" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 3" Round Duct Pipe Design – Rigid gauge ABS

Design – Rigid gauge ABS plastic

The round side is crimped for easy insertion

text-align: center

actual front end outer dimensions are approximately 30 5/8" width X 10 5/8" height

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