36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Flexible Ducts R-6.0 + Product Details Size –

+ Product Details Size – 10"w X 12"h or 12" x 10" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height

+ Product Details Size – 8"w X 32"h is the size for the duct opening measurement only

Wide Front End Overlap: Boasting a 1-inch overlap

36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Flexible Ducts R-6.0 + Product Details Size –+ Product Details Size 36"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 14. 5"h] Actual Filter Size 35 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,