Features – Hand-built in the USA by AquaFX! – 0 TDS Water! Zero Phosphate, Ultra Pure Laboratory Grade Water Purifier – Remove Harmful Impurities from Your Water – Heavy Duty Aluminum Bracket – Quick-Disconnect Fittings (\” OD) The AquaFX Barracuda RO/DI (Reverse Osmosis / Deionization) is the first choice of residential reef enthusiasts, engineered to meet the specific needs of your top off and makeup water. AquaFX is proud to have our Barracuda recognized by About.com for being #1 pick for RO/DI\’s within the industry. The AquaFX Barracuda is offered in several flow rates from 50 GPD to 200 GPD (Gallons per Day). AquaFX furthers this great unit by allowing you to select the carbon your system uses, giving you the ability to deal with disinfectants such as Chloramine or even traditional Chlorine. The Barracuda has great appeal for every reef keeper, from the weekend hobbyist to professional service companies. Truly making AquaFX \’The Leaders in Reverse Osmosis\’ Specifications – 4-Stage Filtration – Stage 1 – AquaFX Premium 1-micron Sediment Filter – Stage 2 – AquaFX Chlorine Guzzler Carbon Block Pre-filter – Stage 3 – AquaFX TFC RO Membrane (made in the USA) – Stage 4 – AquaFX Mixed Bed Color Indicating Zero TDS DI resin (USA Resin) – Pressure Gauge – Quick Connect Fittings – 10\” Canister Filter Wrench for easy filter changes – Heavy Duty Aluminum Mounting Bracket – Dimensions: 15.5\”W (22.5\” for Chloramine Blaster Systems) x 7.25\”D x 15.5\”H (18\”H for 200GPD systems) Includes – Barracuda RO/DI Filter and cartridges – 1/4\” Hose Bib Adapter – 10\” Canister Filter Wrench for easy filter changes – 6 feet of supply tube, drain tube and product tube – AquaFX Instruction manual