Q Standard Ventilating Hose for 12in. Q Standard Utility Blower, Item# 177771 - 20ft., Model# 00009 For 12in. utility blower, Item# 177771 Lightweight, flexible ventilating hose directs fumes out of closed-in areas Can be easily moved For industrial air movement and fume control Made of double-ply PVC-coated polyester fabric to resist water