Ridgid K40 AF
I have been using my Ridgid K400AF drain machine for cleaning the main sewer line from outside of the house for many years. For the shower drain inside the house, the K400 is too big and the 3/8" cable is too rigid to fit the trap. I tried using hand tool to clear the shower drain without success. I finally gave up and bought the K40 AF. It is a bit expensive but the 5/16" cable gets the job done smoothly. The autofeed handle and guide hose are very, very nice. The Ridgid quality is the best. I expect both my K400AF and K40AF to serve my needs for many years to come.
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