I have replaced filters from the Ispring water system, most of all I LOVE this system, purest water and performance. Filters are also very affordable, which is key to maintaining them. I received new feedback on changing the 5th stage filter format, the company has addressed this issue with new valve fittings that are easy to connect. I had an icemaker line hooked up to it and needed two two way valves trying to add old valves I had damaged on the ends of the filter. The company responded to my emails very quickly and sent me a replacement filter and the 2 two-way valves I needed. It was easy and a showcase for great customer service. I will update to let you know if the new 5th stage filter is leaking (other new stages have not leaked since install). What I've seen that some people complain about. It is important to ensure that the lines are not skewed or kinked when inserted into the filter ports, which is very easy to set up, I have never had a leak from my system. I will continue to buy these filters. Also, I'm just a mom, I do everything myself, so it's easy.
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