16" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Outdoor Vent Covers + Product Details Size –

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

+ Product Details Size - 20"w X 20"h is the size for the duct opening measurement only

Easy Installation – Just pop the diffuser right into the wall duct hole and the side springs will hold it right into place so that it looks clean

+ Why Hvac Premium Our MERV 8 pleated filter is 30 times more efficient at capturing small particles than ordinary fiberglass filters

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16" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Outdoor Vent Covers + Product Details Size –+ Product Details Size 16"w X 25"h is the size for the duct opening measurement only, [Outer Dimensions: 18. 5"w X 27. 5"h] Actual Filter Size 15 3 4"w x 24 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,