This Deflect-o 3 in. Metal Worm Drive Clamp secures duct connections and easily adjusts with the turn of a screwdriver. The clamp is compatible with 3 - 8 in. semi-rigid aluminum ducts.
- Use to secure semi-rigid aluminum duct connections
- Compatible with 3 - 8 in. diameter ducts
- Metal construction
- Adjusts with a screwdriver for a secure fit