It has a built in pump installed to ensure sufficient pressure to make a lot of RO water

Pump driven systems suffer the most

Just unplug your old filters and plug in new filters and you are done = no mess

Gem coconut carbon block filters are made from roasted coconut shell not coal and are rated at 3

since the cap was on and it was in the box

TYPHOON 5 STAGE REEFKEEPER RODI Catalytic Carbon Upgrade ::5 Micron Carbon Block It has a built inTYPHOON 5 STAGE REEFKEEPER RODI SYSTEM DESCRIPTION Perfect for the novice or professional, our Typhoon 5 STAGE RODI is our original and most popular RODI system for reefkeepers. Nuclear grade resins and 99. 9% rejection rate membranes combine 5 heavy duty stages of filtration, making this RODI system built for hard city or well water. Equipped with an ASOV, a Fast flush Flow Restrictor, a complete first class installation kit and easy to understand