AV & AVB Air Vent & Blower Ducting
AV is a lightweight vinyl duct supported by a steel wire for use in venting bilge fumes. It is also suitable for bathroom fan and general purpose air exhaust. In the past, AV was commonly used for venting clothes dryers, however it is no longer recommended for that application. Clothes dryer duct should be UL listed and be made from a metallic fire resistant material.
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