Use with 3" or 4" round duct. Has built-in back draft damper and bird screen. Galvanized steel. Baked enamel, black finish.
| SKU | 261567 | UPC | 026715000609 |
| Weight | 1.85 | Package Width | 9.8 |
| Package Length | 11.4 | Package Height | 5.25 |
| Model Number | 636 | Brand | Broan-Nutone |