The Everpure High Flow CSR Quad Water Filter System With Low Pressure Alarm has 4 MC 12 micron precoat cartridges, 1 SRX scale reduction feeder, 1 EC210 20 inch pre filter, a low pressure alarm, water shut off, pressure gauges, and a flushing valve. Ideal for coffee brewers, carbonators and ice makers that make 1,200 lbs. per day. 36,000 gallon rated capacity, 6.7 GPM flow rate.