I live in a fairly old apartment complex. Here they still use 1/2 inch fittings. The problem is, I don't think they make a 3/8" female to 1/2" male adapter. I observe. So I had to buy an extra piece of tubing to fix this problem. Problem. Besides, it does what it promises. I've tested the water and it may not be a very good test because other than a slight increase in chlorine levels in our faucet, the water in my area is practically at the same level as the water. filter system. Tested for nitrates, nitrites, pH, alkalinity, iron, bacteria and lead. Very high (above 9) both alkalinity and pH and flavor - taste not great. Be TMI) that my frequent trips to the bathroom with my old 6-stage OC stopped when I started drinking from this filter. I can only assume that the minerals allowed my body to retain water and actually helped me with it to provide moisture. Significant difference. i'm pretty happy
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