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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
0 ~ 1999 PPM / Temp
and 100-125V AC wall adapter
it takes yearly applications
Some prefer the pumice as rice hulls will eventually break down
rugged and also includes a carrying case
ACI Backdraft Damper Ducting Inserts Size:4" 0 ~ 1999 PPM /A ventilation ducting tool designed for insertion into ducting to prevent cold drafts and debris from flowing into ventilation systems. Built to be embedded in ducts, the backdraft damper is made of sturdy galvanized steel and features two rings of outer rubber gaskets. This enables it to grip your ducting with an airtight seal in either a horizontal or vertical orientation. The butterfly damper blades are made of aluminum and are equipped with a
