20" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 28 5/8" width X 28 5/8" height

4" X 12" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

Crafted from robust 20-gauge steel

With our extensive selection of Grilles

+ Product Details Size – 18"w X 20"h is the size for the duct opening measurement only

20" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 28 5 8" width X 28 5 8" height 4" X 12" Is The Size For The Duct Opening (floor vent hole) Measurement Only