25" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 26 5/8"] steel Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 11 3/4" x 1"

+ Product Details Size – 18" Corner Baseboard Grille - White - HVAC corner vent cover

The tool-free latch allows hassle-free maintenance

this grille is a testament to high standard craftsmanship

Works for all Air Conditioning applications including Ductless Mini-Split

25" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 26 5/8"] steel Actual Filter Size – 21+ Product Details Size 25"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 26 5 8" height Actual Filter Size 24 3 4"w x 23 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.