20" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 27 5/8"] w18h18 } /* CONTENT SPACING */

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The total outer size of this grille is the listed size plus 1

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

+ Product Details Size - 34"w X 36"h is the size for the duct opening measurement only

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20" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 27 5/8"] w18h18 } /* CONTENT SPACING */+ Product Details Size 22"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 27 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and