The Barracuda offers the following features: Now Featuring High flow high rejection TFC membrane High efficiency 1-micron sediment pre-filter 2-micron chlorine guzzler carbon block pre-filter or our exclusive chlorine and chloramine-removal filters Now Featuring High flow high rejection Nano Technology DOW membrane High-efficiency color-changing DI cartridge 160 PSI pressure gauge marked with operating and unsafe ranges Optional In-Line TDS meter (click here for more information) Solid Aluminum "no-rust" metal mounting bracket Clear 10" filter cartridge housings. All systems include quick connect fittings, a shut off valve, a filter wrench for easy cartridge replacement and your choice of a feed adaptor.