A more robust, two ply high temperature service duct. Two plies high temperature resistant coated fabric offers a longer service life.
Unit of Measure

Hose I.D.

N/A 4.00 in

Working Pressure

N/A 3.7 psi

Negative Pressure

N/A 2.1 in/Hg

Weight

N/A 1.14 lbs/ft