12B Pressure relief damper, plastic

Pressure relief dampers manufactured form plastic sections. Designed for surface mounting. These dampers have adjustable blades, which open by air pressure
Application
For use outside, for movement of air one way only, from inside to outside.
Standard
Range
| Article number | Dimension | Specification | 12-1515 B | 150 x 145 mm | brown, with damper, pipe 100/125 mm (110x55 mm) | 12-1515 GR | 150 x 145 mm | grey, with damper, pipe 100/125 mm (110x55 mm) | 12-1515 W | 150 x 145 mm | white, with damper, pipe 100/125 mm (110x55 mm) | 12-1616 B | 155 x 155 mm | brown, pipe 100/125 mm (110x55 mm) | 12-1616 GR | 155 x 155 mm | grey, pipe 100/125 mm (110x55 mm) | 12-1616 W | 155 x 155 mm | white, pipe 100/125 mm (110x55 mm) |
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