The WIN-545 is capable of producing 50 gallons per day and typically fits in a sink cabinet. The TGI Pure's RO System is a 5 stage reverse osmosis system which contains four 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 & 3 : 32-250-125-975STAGE 4 : TW30-1812-50 STAGE 5 : K2533-SS
STAGE 1 : FPMB5-978
STAGE 2 & 3 : 32-250-125-975
STAGE 4 : TW30-1812-50
STAGE 5 : K2533-SS