Features The production of high-quality zinc alloy materials ensures oil resistance, wear resistance, ageing resistance and durability. Ideal for dust cleaning in factory, school, home or elsewhere without scratching the workpiece, convenient to use. Sealing parts with special process treatment can ensure the maximum durability of the key parts and without air leakage. 8 mm high strength tube, which is not easy to break, not easy to rust, not easy to loosen and pull out. Concentrated gas, more powerful for highly efficient inflation and removal of dust, easy to use. Specification: Item Type:Pneumatic Air Purifier Material: zinc alloy. Model: ABG600. Purpose: high pressure dust removal Inlet size: 1/4 (inch) Package list: 1 x pneumatic duster Package List 1 x Pneumatic Air Duster