Just use real polyurethane filters. Looks like I'm returning these filters a few days late (I ordered them when I put my last polyurethane filter in the jug). I have used 1 of these fakes and will not use them again. 3 reasons. My drinks have a different taste. My dog's water bowl starts scaling when the filter is ready for replacement. With a polyurethane filter, the scale will completely disappear after the water has stood in the bowl for a few hours. With these filters? The lime never left the peel!? When I rinsed the jug and put in the new polyurethane filter, there was something really slimy at the bottom of the jug! I will NEVER buy anything other than polyurethane filters again. And I'm not happy that I can't return them.
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