Our Two filters System is awesome for places with dirty water. The coolest thing is that Swift Green filters are super eco-friendly and a perfect alternative to Reverse Osmosis. They don't use energy or waste water. They even get rid of the E.coli Virus! We're all about being healthy and making our filters ethically. All of our filter parts can be recycled. Recommendation: This is great for families of 1-3. Check out our Product Page for more info https://swiftgreenfilters.in/products/sgf3-rv14-max-rx-2-double-candle-system-multi-stage-rv-water-filter-system-with-ultra-high-capacity-1