Try oil pressure line from an automotive store.Or use stir straws like they have at
7-11 thats what I use.As far as my rags I don't use any tubing I thread mine on I use the tubing on my floats only.Make sure the stir straws are the smaller diameter and thick you can just cut them on an angle and they shove right threw,then I use a hot glue gun to hold them in place .TM
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If ya can't run with the big dogs stay on the porch!