This Reverse Osmosis Water System Membrane TWD30-1812-50 GPD is the membrane used for all our following five models.
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SN101- Basic Model
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SN102- Standard Model
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SN103- Deluxe Model
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SN104- Superior Model
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SN105- Premium Model
Item Description
Stage 4 - Reverse Osmosis Membrane
Reverse Osmosis Membrane Filter squeezes out dissolved substances including radium, lead, arsenic, and many others.