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US Water Systems Inc
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Mis-match o-ring cross-sectional size
I received the order of filters and o-rings. Upon inspecting the 3 o-rings, I noticed that the cross-sectional diameter of two of the o-rings was substantially different and obvious to the naked eye. One measured ~0.160" and the other ~0.190". I called to find out why they were different sizes and the person I talked to said that they were received from the vendor and it was normal for them to be different in cross-sectional diameter, but could not tell me what cross-sectional diameter they should be. His advice was to try one and see if it worked, hardly a fail safe way to go forward.