- Stamped 4-way louvered diffuser
- Multi-shutter damper
- 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
- Soft White
Options:
- 150 O - Steel lever operated opposed blade damper
- 151 Series - Grille only
- No Labor Collar
- Standard Color, Designer Color or Plated Metal Finish available