After I Buy Camco 40043 TastePURE Water Filter with Flexible Hose ProtectorHave been using this system in RV past three years. Good filtration, relatively easy to install, initial price lower than other systems. Longevity appears to depend on quality of water supply, amount of water usage, and success in flushing the cartridge. For my wife and I, the cartridge water flow slows after about 40 days of actual use. Too bad the entire cartridge must be tossed at end of life. I wish the manufacturer would offer "cartridge only" as an option and reduce price since hose connection basically remains viable. This system may not be cost effective for full-timers.
EDIT ADDED: Some of the subsequent reviews reference leaks occurring specific to the use of this cartridge. The cartridge does not leak but if the hose is kinked or bent for any reason, the likelihood of a leak increases. This seems to occur because of limited space to place the cartridge at the faucet or near or in the RV forcing a hose to bend to fit. The flex hose extension helps but does not always solve the problem. Keeping the hose as straight as possible helps. I also keep a good supply of new, real rubber washers on hand to replace at connections that appear to be an issue. Maybe it just helps me feel better, but I think it helps. I see hoses leaking with or without the cartridge.
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