AES Industries 621 Pneumatic Vacuum Cleaner "DuaTool" - Blow Gun and Suction Vacuum Hooks right up to any 3/8" ID air line to be used as a vacuum or as a high volume blow gun Portable and lightweight! Only 1-1/4 Lbs Includes 4 different nozzle attachments (Round Nozzle, Brush Nozzle, Flat Nozzle and Precision Nozzle) and a 4' hose Used for fine powder pick up, liquid pumping, metal dust and filing pick up, glass pick up and cotton mill cleaning CNC precision lathed cleaning system