18" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES mobile home rv 14"w X 4"h Is The

14"w X 4"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 8" X 6" X 4"

+ Product Details Size - 40"W X 8"H is (for duct opening measurement only)

making repairs and maintenance a breeze

+ Product Details Size & Compatibilty - The 5" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 5" to 3"

18" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES mobile home rv 14"w X 4"h Is The+ Product Details + Product Details Size 18"w X 16"h is the size for the duct opening measurement only, [Outer Dimensions: 20. 5"w X 18. 5"h] Actual Filter Size 17 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