I've been using Instapure since they first came out in the 1970's, always great clean water tastes great. They actually use activated charcoal for filtering, just like they used to. Local stores didn't sell them back then, except for a "clean" filter, which cost more than the housing and replacement filters (which ALWAYS clog after 2-3 weeks and slowly turn into a useless trickle). Finding her is a relief. available from Revain. They last me 3 months compared to some competitors from 3 weeks to a month.
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