Stage 1
Omnipure K5605-JJ Inline Sediment Filter 5 Micron 2.5" x 12" - - Replace Every 12 Months
Stage 2
Omnipure K5633 GAC T33 Granular Carbon Inline Filter 2.5" x 12" - - Replace Every 12 Months
Stage 3
AXEON 200359 TF-1812-50 Reverse Osmosis Membrane 50 GPD - - Replace Every 24 Months