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VENTS - METAL ROUND BACK VALVE ?150Backdraft spring loaded damper designed for automatic shutoff of the round ducts and preventing back draft of air when ventilation system is switched off. Damper vanes are opened with the pressure generated by air stream and are closed by the spring. With galvanized axis, and riffles to prevent spring displacement. ? 150
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Backdraft spring-loaded damper designed for automatic shutoff of the round ducts and preventing back draft of air when ventilation system is switched off. Damper vanes are opened with the pressure generated by air stream and are closed by the spring.
With galvanized axis, and riffles to prevent spring displacement.
?150
VENTS - METAL ROUND BACK VALVE ?150
Item no
:
6356779685
US$ 12.36
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Min. order:
1piece
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
US$40
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