Roof Curb Adapter, Curb Side Sq O D 18 In
| Fan Side Square O.D. (In.) | 21-1/2 |
|---|---|
| Curb Side Square O.D. (In.) | 18 |
| Function | Adapts 22 in Fan Base to Fit 18 in Roof Curb |
| Construction Material | Galvanized Steel |
| Type | Reducer |
| Item | Roof Curb Adapter |
| Top Flange Height (In.) | 2-1/2 |
| Bottom Flange Height (In.) | 2 1/2 in |
| Top Flange Height | 2-1/2 in |
| Curb Side Width | 18 in |
| For Curb Size | 18 in |
| For Fan Type | Downblast Fans, Filtered Supply Fans, Upblast Fans |
| Finish | Galvanized |
| Material | Steel |
| Adapter Type | Reducer |
| Number of Fasteners per side | 2 |
| Includes | (8) 1/4-20 Tinnerman Speed Nut, (8) 1/4-20 x 3/4 Bolts |
| Overall Height | 5 in |
| For Fan Base Size | 21-1/2 in |
| Fan Side Width | 21-1/2 in |
| Metal Material Thickness | 18 ga |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |