|
Model 634 Roof Cap
• For 3 1/4" X 10" or up to 8" round duct.
• Built-in backdraft damper and bird screen.
• Steel housing, black electrically bonded epoxy finish. |
Model 636 Roof Cap
 •
For 3" or 4" round duct.
• Built-in backdraft damper and bird screen.
• Steel baked black enamel finish.
|
|
Model 639 Wall Cap
• For 3 1/4" x 10" duct.
• Spring-loaded backdraft damper.
• Built-in bird screen.
• Steel baked black enamel finish.
• 24 GA CRCQ Steel, black electrically-bonded epoxy finish
|
Model 641 Wall Cap
• For 6" round duct.
• Built-in backdraft damper and bird screen.
• Aluminum natural finish.
|
