18" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 16 5/8"] RG66 Black-HP + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening)

actual front end outer dimensions are approximately 24 5/8" width X 26 5/8" height

+ Product Description Upgrade your HVAC system with our 4" Round Air Vent Supply Grille

Just run your finger along the edge of the top plate and you will find a smooth finished surface

18" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 16 5/8"] RG66 Black-HP + Product Details Perfect Fit+ Product Details Size 18"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 16 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