4-stage RO/DI units produce ultra pure water for aquarium hobbyists that demand the best. AquaFX Barracuda RO/DI Units adds another filtration stage to its premier water filtration technology for TDS rejection rates beyond 90%! Standard unit comes with a high efficiency, 1-micron sediment pre-filter (Stage 1), high-capacity chlorine and Volatile Organic Compound (VOC's) removing Carbon Block (Stage 2) and a special TFC/HI-S RO membrane (Stage 3). The RO membrane is a TFC sheeted element boasting high silicate rejection. Mixed bed DI resin filter (Stage 4) polishes RO water for ultra pure water of the highest quality.

Barracuda RO/DI Units feature a heavy-duty solid aluminum metal bracket for reliable "no-rust" mounting. Bracket-mounted 160psi pressure gauge allows easy monitoring of water pressure through the unit.

All systems include quick connect fittings, tubing, a filter wrench for easy cartridge replacement and a feed adaptor.