The Bulk Reef Supply 4 Stage Value 150 GPD Water Saver RO/DI System is a highly efficient water purification unit designed to produce up to 150 gallons of 0 TDS water daily for your aquarium. Utilizing advanced reverse osmosis and deionization technology, this system ensures pristine water quality essential for the health and stability of both saltwater reef tanks and freshwater aquariums. It comes self-contained on a single bracket, offering a compact and convenient solution for water purification. This 4-stage system features pre-installed NSF certified filters, including a 5-micron true gradient technology sediment filter, a chlorine carbon block, dual 75 GPD Dow Filmtec RO membranes, and a color-changing mixed bed DI resin. Installation is made simple and leak-free with Mur-lok push-connect fittings, and the unit boasts a water saver design with an efficient 1.5:1 waste to product water ratio. Included are 10 feet each of blue, red, and black 1/4" tubing, along with faucet and garden hose connections for versatile hookup options. Ideal for reefers connected to city water treated with low amounts of chlorine or those with relatively clean well water, this RO/DI system is a perfect choice for temporary connections or spaces where a dedicated, permanent setup is not feasible. Its compact dimensions of 16" x 6.25" x 15.5" allow it to fit into tight areas, while the included accessories ensure easy setup within minutes. The system is backed by a BRS Limited Lifetime Warranty, providing long-term reliability for your aquarium's water needs.