25" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 27 5/8" X 18 5/8"] w34h34 please note that the total

please note that the total outer dimensions of the grille measure 8" in diameter

Its elegant look and fine finish and the natural warmth of oak wood

Insulation density is 30kgs/cbm = 0

+ Product Details Size - 28"w X 4"h is the size for the duct opening measurement only

25" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 27 5/8" X 18 5/8"] w34h34 please note that the total+ Product Details Size 25"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 18 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