This is the reverse osmosis filter set for the Great Tahoe Spring GTS-550-USA drinking water system. It may also have the label on the system as TGI or Topway Global.
The set includes:
(1) 5 Micron 2.5"x10" Sediment
(2) 10 Micron 2.5"x10" Carbon Block
(1) 10" Inline GAC (1/4" Female with 2-3/8" fittings and 2-1/4" Fittings)
Replace the set 1 time every 12 months.
Membrane is not included in this set, you change membrane every 3 years