This is the largest of the three models of Everpure Endurance High Flow Systems.
The other available systems are:
EV943730 - Endurance Twin High Flow
EV943731 - Endurance Triple High Flow
The Quad system has a peak flow rate of 15.00 gallons per minute and is rated for 200,000 gallons.
The replacement cartridges for this system come as a kit. Please order part #EV962872 Quad Endurance Cartridge Kit.
Comes with a five-year manufacturer's warranty.