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Review title: The best flush valve
Product review: Here's Why* Straight up and down action always seals - not like "flapper valves"* You can control the flush from just a little to a whole flush* Compact and easy to install.NOTE: The 210 Model and 211 model are the same EXCEPT the 210 is calibrated for 3.5gpf and the 211 is calibrated for 1.6gpf.I have replaced these into all my non-mansfield toilets.
