The WIN-445 is capable of producing 50 gallons per day and typically fits in a sink cabinet. 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 : FPMB5-978 STAGE 2 : 32-250-125-975STAGE 3 : 1220188 STAGE 4 : K2533-SS
STAGE 1 : FPMB5-978
STAGE 2 : 32-250-125-975
STAGE 3 : 1220188
STAGE 4 : K2533-SS