They are just as good as the ones I bought at my local hardware store. The price of the filter is also much cheaper. The fit is the same as the main brand for the 10" case, at first the filter looked slightly larger than the one I took out (wet) but once the old filter was dry it actually expanded to 1/ Filter 8 inches from the new . No issues were encountered during installation and I will recommend and purchase more if nothing changes.
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