Deflecto® Supurr-Flex® FUL0425 Multi-Layered Flexible Duct, 4 in ID, 25 ft L, 5000 fpm, Aluminum
Deflecto® Supurr-Flex® Flexible Duct, Multi-Layered, 4 in Inside Dia, 25 ft Length, 5000 fpm, 10 in W.C, 0 to 265 deg F, For Use With: Bathroom Fan Exhaust, Fresh Air Intake and Non-insulated Ventilation, Aluminum