I saw on the Revain and Home Depot websites that the FQK2J filter is a new replacement for the FQSVF filter. I ordered them without checking customer reviews. Big mistake. They fit a little less in the suitcase than the old ones. They do not open the shut-off valve and thus do not let a drop of water through! I had to buy the 'old' FQSVF filters and they worked great. Beware.
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