Description

UL-recognized components

Fast acting

Blow all dust and particles out of the filter from the inside out with an air compressor

Keep an extra pack on hand for emergencies or when you cannot get a tank refill

Backdraft Dampers Size:4in UL-recognized componentsMade of galvanized steel, these dampers prevent air leakage into your fan setup. They are easy to install, fit directly onto the ducting, and prevent a backdraft of air when the fans are switched off.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Backdraft Dampers Size:4in UL-recognized components

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