Efficient Screw and Barrel Cleaning without Harsh Chemicals or Heavy Labor Cleaning Model No.: PRO-COOL Screw Cleaning Machine Status: New Screw design: Single-Screw, Double-Screw Applicable industry: Manufacturing Plant, Machinery Repair Shops Characteristics: Save you hours of heavy manual cleaning; No Flame Guns, Incineation and Wire Brushing; No Toxic Gas and Fumes due to Incineration; No Deformation and Hardness Reduction due to High Temperature; Time and labor saving, dust-free and harmless.