These filters are amazing, we bought them for our pool pump as the crappy expensive filters which are $22 each really suck. I didn't work to keep our pool from turning green when I got this one time our pool water was very green, I put one of these filters in the pump and after 2 hours the green color was gone, the water turned cloudy blue, after 5 hours we could see the bottom of our pool and that was all with just At this point the filter was very uncomfortable but the water was still flowing well through the pump. Now I like to use it fully to get the most out of the product and see how long I can reuse something so I took the filter out of the pump and hosed down the filter as much as possible (remember the filter is very uncomfortable he was a dark dirty brown) I was able to hose him down very well now its clear The wa turned almost white it held up great with no water falling apart as it looks like a roll of paper towels. I put it back in the pump to use again after running, if another 12 hours it still works great, kept the water flowing well overall, i would give these filters a 10/10 and will definitely buy them again because they are worth the price
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