Wall Stack Register 90 Degree Angle Boot | 10" X 4" X 7" | Compatible with Duct 7" 18in diameter Think of the diameter as Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Think of the diameter as a straight line from one end to the other

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 12" OR 12" x 26" duct opening (measured at the opening)

+ Product Details

Whether replacing an old register or installing a new vent

actual front end outer dimensions are approximately 26 5/8" width X 32 5/8" height

Wall Stack Register 90 Degree Angle Boot 10" X 4" X 7" Compatible with Duct 7" 18in diameter Think of the diameter as Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Think of the diameter as a straight line from one end to the other + Product Details Perfect Fit & Easy Sizing Designed for a 26" x 12" OR 12" x 26" duct opening (measured at the opening)