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Review title: Better buy a few
Product review: I have two tub/showers with this fixture. I probably replace this knob at least once or twice a year. The inside plastic ring breaks easily. Once broken you can not fully shut off the water flow without removing the knob and turning the brass water flow valve with a pair of pliers.Good thing they are easy to replace.But buy several to have on hand. I have 5 extras right now. Giving a low rating because of quality of knob
