BD-4 SPRING RETURN BACK DRAFT DAMPER F/4 DUCTS
TJEBD4
MFG #: BD-4
- Manufacturer Name: Tjernlund
- Specifications
- Documents
- Description
- Duct Fan Back Draft Damper
- Item Spring Loaded Back Draft Damper
- Used On Duct Booster Fan
- Includes Galvanized Steel Collar and Lightweight Aluminum Damper Blades
Spring Loaded for Positive Closure