Tucker® Max Output 5-Stage RO/DI SystemTucker is the #1 Brand for water fed cleaning equipment in the world, since 1957. All Tucker products are built in North America with only the best materials, design, and quality controls in the market and our 10 year warranty will prove that and show that we stand behind our quality! The Max Output RO DI System from Tucker our first 5 stage system in over a decade. Key Features: 3+ GPM 110v booster pump built in Inline dual probe TDS meter On off