I used one of these filters for several months before ordering a replacement. I was able to rinse it out and continue using it as it was clogged. My water is saturated with silt, iron and scale and the filter cleans it well. It starts to flow when clogged. You can then either replace it or rinse and reuse it. It took a while for the shipping and delivery of the replacement, but I think it's up to the USPS. This is a very good price for a cheap product.
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