Purotwist 4000-50 Reverse Osmosis Filter Set

Purotwist 4000-50 Reverse Osmosis System Filters, Original Factory Set

Stage 1 Filter: Omnipure Q5605 - 5 Micron Sediment

Stage 2 Filter: Omnipure Q5633 - Carbon Block

Stage 4 Filter: Omnipure Q5633 - Post Carbon GAC

*Optional membrane if needed, use the drop down menu to select

Stage # 3 Membrane: Omnipure TQ56-50FC - 50gpd Reverse Osmosis Membrane