20"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 9.875"H] 12" Round Duct Pipe display: block Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

display: block

14" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 10" duct opening (measured at the opening)

that will overlap at wall joint

while the included safety wire provides added security to prevent the door from falling off

20"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE EASY AIR FLOW LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 9.875"H] 12" Round Duct Pipe display: block Compatible With Duct 7in Applications This sheet metal DDAG A 1212 display: block 14" Circular Round Aluminum HVAC Supply Grille Air Diffuser With Butterfly Damper Vent Duct Cover