In this article, we’re going to discuss if you shouldDIYorBUYsomething. We’re talking about thePremiumDualRV/Marine Water Softener Regeneration Kit and Water Filter. This dual-stage water filtration equipment is very popular with RVers. The first stage works as a prefilter that catches any sediment such as dirt, rust, and other larger particles that may be floating in the water. The second stage is to eliminate chlorine, improve taste and odors.