8" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES fixed bar + Product Details Size –

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

Produced in accordance with ISO 9001-2008 Quality Management System

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+ Product Details Size - 20"w X 4"h is the size for the duct opening measurement only

this HVAC vent duct cover ensures durability and reliability

8" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES fixed bar + Product Details Size –+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 10. 5"w X 10. 5"h] Actual Filter Size 7 3 4"w x 7 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,