use the external filter on the supply hose as well. It does lower the water pressure a bit. I prefer this method because it filters the water before it enters any of the components in my RV, such as the hot water heater, reducing sediments in the system and hopefully prolonging the life of them.
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Brent
2013 Alpine 3500RE
2019 Silverado 2500HD Duramax
U.S. Air Force Retired (25 yrs)
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