English 5.0 (1 review) buy now I have 6 different drain cleaning machines, 3 flex shafts and a large trailer jetter and they all work in different situations I would start off with a versatile sewer cleaning machine for main lines and a small machine for sinks/ tubs and floor drains. Nezat training & consulting offers sewer cleaning 102 certified training in all 50 states Accredited by the university of texas arlington and individual state governing authorities, this course covers crucial topics such as equipment selection, maintenance techniques, and best practices.
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