I bought one last year. Wasn't impressed with the self-drying feature (maybe our water here?). Anyway, it is handy for dispensing soap. After pricing the Mr.Clean soap refill stuff, I just went out and bought a half-gallon of another brand of car wash soap.
I mainly like it because I don't have to drag a bucket out with me, put some soap in and fill it with water.
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2002 Just Blue XE 4x4