18" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 20 5/8" X 14 5/8"] Insulated Line Set + Product Details Size –

+ Product Details Size – 3"w X 10"h or 10"w X 3"h is the size for the duct opening measurement only

expanding or retracting the gap to meet your precise needs

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

+ Product Description Introducing our 24" Wooden Corner Baseboard Grille - a sophisticated addition to elevate your HVAC system and interior decor

+ Product Details Size - 32"w X 8"h is the size for the duct opening measurement only

18" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 20 5/8" X 14 5/8"] Insulated Line Set + Product Details Size –+ Product Details Size 18"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 14 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