The water filters for the Pure Q Reverse Osmosis system should be changed every 12 months.
Included in the Pure-Q Water Filter Set pack:
A 5 micron sediment cartridge
A 10 Micron Carbon Block
A GAC Filter
An Inline Post Carbon
These are the genuine original factory replacements. Highest quality with the best performance. Membrane is not included in this set, however we have the Pure-Q Reverse Osmosis Membrane available. Membrane should be changed every 3 years