Malco 8" Pre-assembled Double Bearing Dampers with Handles and Wing Nuts(Pack of 100)
1/4" bearings allow bearing holes to be made in round duct with the use of a scratch awl. Squeeze pipe so that it is oval shaped. Insert damper into pre punched bearing hole(s). Pipe will spring back to round when released. Secure with wing nut(s) provided. Damper may be adjusted with damper handle.
- CAUTION: Malco Dampers are designed for forced air systems, they are not capable of being used in wood, coal, or other similar systems
- Pre-assembled dampers
- Includes Handles and Wingnuts
In The Box
- One (1) Box of 100 Pre-assembled Dampers with nuts and Handles