Allegro Industries' 12" DC Air Bag boasts a lightweight design and super quiet metal 12″ (30.4 cm) axial DC blower. Each Unit comes equipped with either 15′ (4.57 m) or 25′ (7.62 m) ducting built into a heavy duty bag for an all-in-one ease of operation. Designed with zippered ends that allow blower use without removing blower from the bag. Zipper openings allow for cord inlet and outlet. Easy to carry and store. Polypropylene three blade fan with aluminum hub, steel/powder coated housing and grill, carry handle with molded-in 2 speed switch. Ducting: Single-Ply lightweight vinyl/polyester PVC coated 180° F (82.2° C) temperature resistant . Yellow with black wear-strip and integrated nylon attachment strap on one end.