I have needed this adapter and many products are listed in metric units (mm). / 64" male to male adapter which was just what I needed. The description also said "1/4 OD reverse osmosis tube". I received a 1/4" OD tube and it worked fine is working. complain about this negative element. Accurately described products like this save me time/hassle and mean a lot to me. I saw another review that said it "leaked in the closed position". 'closed position' - handle rotated down drains water at bottom, rotated up (horizontal) diverts water to side (1/4 inch OD pipe). The only 'closed position' I have found know is the handle on the faucet itself.
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