The EZ-450E is capable of producing 50 gallons per day and is small enough to sit on top of a counter top. The difference between the EZ-450E and EZ-450P is the voltage of the pump. The EZ-450E has a 220 volt rated pump. The EZ-450P uses a 110 volt pump. The TGI Pure's RO System is a 4 stage reverse osmosis system which contains three replacement water filter cartridges and one membrane. Below is a break down of each stage and the compatible replacement membrane and filter part numbers that can be found on our site.
STAGE 1 : Q5605 STAGE 2 : Q5633 STAGE 3 : TQ56-50FC STAGE 4 : Q5633
STAGE 1 : Q5605
STAGE 2 : Q5633
STAGE 3 : TQ56-50FC
STAGE 4 : Q5633