Watts 415 Four-Stage RO System
This Watts system is a 4-stage system with two filter housings vertically and the membrane and post-filter mounted horizontally on top. Replace all filters except the membrane once a year. The membrane is replaced once every 2-3 years depending on your incoming water quality.
- STAGE 1 - Sediment Pre-Filter (93023) - Replace Ever 12 Months
- STAGE 2 - Carbon Block Pre-Filter (OMB934-5m) - Replace Every 12 Months
- STAGE 3 - RO Membrane 50 GPD (555694-00) - Replace Every 24 Months
- STAGE 4 - GAC Post-Filter (K2533-KK) - Replace Every 12 Months