Back draught shutter
· Galvanized steel
· The blade is equipped with a closing spring
· May be installed in any position
· Back draft damper for round ducts is madeof galvanized steel
· The damper's blades (oscillating) are closed by aspring which allows for assembly in any position
· Used to allow flow of air in one direction onlyOur advantages:
1)We have a team of excellent designers who are well-versed in the styles and tredns of high quality products we are specilized in.
2) We have our own factory with very competitve price
3)More than 10 years' experience in producing HVAC Parts
4)Good service and reputation
5) Large production line