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Posted on Thursday, May 25, 2017 on product Sloan G2 8180-1.0 Sensor Flushometer
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0voteA: Good Question. The A-164 Flow Guide is the thin black ring on the bottom stem of the Diaphragm drop-in kit. The Flow Ring can be cut off to increase the GPF (Gallon Per Flush). If you have any other questions our experts are here to help! Call or text 800-518-5388Posted by Kully Supply on Thursday, May 25, 2017