- Features
- Documents
Features
- Two-screw clamp
- BISMAT® quick locking system
- Material: steel
- Zinc plated
- Noise insulating lining, EPDM rubber, black
- Age resistant lining
- Sound insulating lining according DIN 4109
- Complies with Federal Specification WW-H-w171E and A-A-1192A Type 4 and Manufacturers Standardization Society MSS SP-58 and SP-69 type 12
- Plenum rated - tested to ASTM E-90