G : Galvanized BL : White aluminium
G | BL | ||||
---|---|---|---|---|---|
c. 26 g. | UPC | UPC | |||
Base | L | □ | 773055 | 773055 | |
3 1/4" x 10" | 10" | 10 | 31 lbs | 709319 | 709418 |
3 1/4" x 10" | 12" | 10 | 32 lbs | 709326 | 709425 |
The R2000 vents are equipped with the no-leak, draft-proof damper with adjustable conterweight.
Fix or removable bird screen, extra charge.