Everpure Endurance Twin High Flow Water Filter System EV943730Application: Multiple equipment & combination applications Compact design but provides incredible capacity and flow rates. Annual water filter cartridge change outs. Low maintenance high performance! 100,000 gallons capacity 7. 5 gallons per minute flow rate Order replacement cartridge kit part #EV962870 Comes with a five year manufacturer's warranty There are two larger versions of this system: EV943731 Endurance Triple High Flow EV943732 Endurance