Description
Description
Easy to handle, ship, store, and install, RigiFlex181 delivers solid advantages for whole house venting. Very easy to shape, it can also be easily brought back to its original roundness without any loss of integrity. The smooth interior helps move air efficiently.
Features
UL File: MH65759 UL181 Air Duct, Fire Rating Class 0
Material: Non-insulated heavy duty aluminium, semi rigid flexible air duct reinforced with galvanized bead wire.
Construction: Single layer of 90 micron aluminium, formed into a semi rigid flexible duct reinforced by galvanized wire helix. No adhesive applied, overlap sealed welding system.
Properties: Fire rating of Class 0, zero flame spread, zero smoke development. Maximum air velocity 5000 fpm. Maximum rated positive pressure 12 wci, negative pressure 3 wci.
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