450 / TD450 Aluminum Flex Ducting (4-Ply, 50-ft Pure Proflex)

4-ply flex air connector for bathroom venting;

LamaFlex(R) ;

Fire-retardant, with max operating temperature of 250deg F;

Max air handling capacity of 5,000 FPM;

4 in. dia x 50 ft. ;

Nonretail bulk;