8" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 10 5/8" X 18 5/8"] w10h10 Crafted from high-quality red oak 10" Round Duct Pipe PrioAir8 actual front end outer

Crafted from high-quality red oak wood

actual front end outer dimensions are approximately 38 5/8" width X 18 5/8" height -

+ Product Details Size - 10"w X 26"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

angle them down for effective warmth distribution

8" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 10 5 8" X 18 5 8"] w10h10 Crafted from high quality red oak 10" Round Duct Pipe PrioAir8 actual front end outer Crafted from high quality red oak wood actual front end outer dimensions are approximately 38 5 8" width X 18 5 8" height