Backdraft Damper, Compatible With Inline Fans Exhaust Fan Damper For Greenhouse
Backdraft Damper, Compatible With Inline Fans Exhaust Fan Damper For Greenhouse
- prevent reverse airflow when fans are shutoff
- save CO2 and prevent odors from flowing backwards
- made of galvanized steel they have exterior bubber gaskets pre-installed for an air tight seal
| ITEM | DESCRIPTION | PCS/CTN | CARTON SIZE |
| 21930401 | 4" | 80 | 22"x18"x22" |
| 21930601 | 6" | 64 | 26"x26"x22" |
| 21930801 | 8" | 48 | 34"x25.6"x22" |
| 21931001 | 10" | 36 | 32"x32"x22" |
| 21931201 | 12" | 24 | 37.6"x25.5"x22" |
Reducer
Connector
Elbow
Clamp
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