ATCO-03625-6 Insulated Flexible Duct

6 inch inside diameter, 25ft length, 2 inch thick wall, 6 R value

Insulated Flexible Duct
Diameter 6 Inches
Vapor Transmission 0.05 Perms
Wall Thickness 2 Inches
UPC Number 036
6 R Value
With Fiberglass Insulation

Rated Positive Pressure: 10inch w.g. per UL 181.
Recommended Operating Pressure: 6inch w.g. pos., 4-12inch dia., 4inch w.g. pos., 14-18inch dia.: 3/4inch w.g. neg., all dia.
Velocity: 5,000 FPM
Flame Spread/Smoke Developed: Less than 25/Less than 50
Maximum Operating Temperatures: -20 to 140°F Continuous ( max. pressure), -20 to 180 °F Continuous ( 2inch pos. w.g. max.), -20 to 250 °F Intermittent ( 1/2inch pos. w.g. max.)
Rated for indoor use.

R-Value is in accordance with ADC Flexible Duct Performance and Installation Standards (2003) using ASTM C-518 at installed wall thickness on flat insullation only.