Stage 1
3M Water Factory 3MROP411 Sediment/Carbon Filter 5 Mic - - Replace Every 12 Months
Stage 2
3M Water Factory 3MROP416 Carbon Block Filter 5 Micron - - Replace Every 12 Months
Stage 3
3M Water Factory 3MROM413 Reverse Osmosis Membrane 36 GPD - - Replace Every 24 Months
$249.00$257.40
Stage 4
3M Water Factory 3MROP412 GAC Carbon Filter - - Replace Every 12 Months