| C |
Clear anodized finish |
| E |
Exact whole inch size, no undercut |
| F |
1.5 in. L flange air entering side (cannot be used
with option G) |
| G |
1.5 in. L flange air leaving side (cannot be used with
option F) |
| H |
Double flange (cannot be used with option F or
G) |
| I |
Indicator switch |
| J |
Field-installed jackshaft on single panel (multiple
section units broken down and shipped in sections) |
| M |
Factory-installed jackshaft on single panel
units |
| Q |
Internal mount actuator (actuator mounted in air
stream, minimum electric actuator 14 x 21 in., minimum pneumatic
actuator 18 x 24 in.) |
| S |
Galvanized Steel frame |