A NON U.L low cost, general purpose venting duct, Constructed of non-combustible, corrugated aluminum with water tight lock seams.
CODE COMPLIANCE
Recommended Operating Pressure: 6" w.g. pos./ neg.
Maximum Velocity : 5,000 FMP
Operating Temperature Range : -73 deg. C to 221 deg. C
Standard Length : 10 Ft
Standard Diameter :4" - 18"
