30" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 16 5/8"] 18" Round Duct Pipe + Product Details Size –

+ Product Details Size – 16" x 20" or 20" x 16" is the size for the duct opening measurement only

+ Product Details Size – 15" Corner Baseboard Grille - White - HVAC corner vent cover

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

+ Product Details Size – 24"w X 8"h is the size for the duct opening measurement only

30" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 16 5/8"] 18" Round Duct Pipe + Product Details Size –+ Product Details Size 30"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 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