16" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 14 5/8"] 8in diameter Elevate your space with hassle-free Product Details Perfect Fit Height_10in 545FLT

Elevate your space with hassle-free functionality and experience superior ventilation today

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 24" duct opening (measured at the opening)

+ Product Details Size - 26"w X 16"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 27 5/8" height

16" X 12" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 18 5 8" X 14 5 8"] 8in diameter Elevate your space with hassle free Product Details Perfect Fit Height_10in 545FLT Elevate your space with hassle free functionality and experience superior ventilation today + Product Details Perfect Fit & Easy Sizing Designed for a 24" x 24" duct opening (measured at the opening)