The Watts Premier RO Pure Reverse Osmosis Filter
- (1)105311-Sediment Filter
- (1)105351-Carbon Pre-Filter
- (1)105341-Carbon Post-Filter
The Watts RO Pure Filter filters should be changed every 12 months. The membrane is not included in this set as it only needs change every 2-5 years.
Membrane is not included in this set, you change membrane every 3 years, you can add the membrane to this filter pack by selecting yes to the membrane option.