14" x 18" or 18" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 6" Round Duct Pipe with actual outer dimensions of Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

with actual outer dimensions of 28

Actual Filter Size – 24 3/4"w x 33 3/4" x 1"

Round-neck-to-square-face construction results in 360 degree air diffusion pattern similar to a full round diffuser

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 18" OR 18" x 32" duct opening (measured at the opening)

scratch-resistant surface that maintains its shine over time

14" x 18" or 18" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 6" Round Duct Pipe with actual outer dimensions of Compatible With Duct 7in Applications This sheet metal DDAG A 1212 with actual outer dimensions of 28 Actual Filter Size – 24 3 4"w x 33 3 4" x 1"