- Stamped 1/2" fan-shaped louvers for heating or cooling
- For ceiling or sidewall applications
- All component parts, rivets, linkage and handle enclosed in valve to assure trouble-free operation
- Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws
- Steel multi-shutter damper
- Soft White
Options:
- 850 O - Steel lever operated opposed blade damper
- 833 - 1/3" spaced louvers
- Tamper Proof Screws
- Standard Color, Designer Color or Plated Metal Finish available