Stage 1
Suez Purtrex 93023 Sediment Filter 5 Micron 2.5" x 10" - - Replace Every 12 Months
Stage 2
Omnipure OMB934-10m Carbon Block Filter 10 Micron 2.5" x 10" - - Replace Every 12 Months
Stage 3
Vertex MH-4206 Encapsulated Reverse Osmosis Membrane 75 GPD - - Replace Every 24 Months
Stage 4
Omnipure OCB934RO T33 GAC Granular Carbon Filter 2.5" x 10" - - Replace Every 12 Months