The GTS450S is capable of producing 50 gallons per day and is small enough to sit on top of a counter top. The GTS Reverse Osmosis 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 : F109009 STAGE 3 : W-1812-50 STAGE 4 : AIC RO
STAGE 1 : FPMB5-978
STAGE 2 : F109009
STAGE 3 : W-1812-50
STAGE 4 : AIC RO