The #507D Starting Collar w/Damper for 1" or 1 1/2" Ductboard is available in 12 sizes from 4" through 20".
M&M Ductboard Starting Collar With Scoop and Damper, 507DX Series, 8 in Fitting, Round Shape, Steel, Finish: Galvanized, 6-1/2 in Height, 30 ga Gauge
Finish | : | Galvanized |
Fitting Size | : | 8 in |
Height | : | 6-1/2 in |
Material | : | Steel |
Series | : | 507DX Series |
Shape | : | Round |