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3M Purification Inc.

3M Replacement Membrane Module for 3MRO401 and 3MRO501 RO Drinking Water Systems

Part Number: 3MROM413
Alt. Part Number: 3MROM413-20A, 66-8706G2, 66-4706G2, 66-4603G2
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The 3M 3MROM413 Cartridge is the replacement membrane for the 3MRO401 and 3MRO501 Reverse Osmosis Drinking Water Systems. This semipermeable membrane provides filtration at the molecular level, filtering out almost all remaining contaminants that got through sediment and carbon pre-filtration.
This filter has been optimized for reduction of select volatile organic compounds and is tested and certified against NSF/ANSI Standards 42, 53, and 58 when used in models 3MRO401 and 3MRO501 for the reduction of substances specified in the performance datasheet.


  • Filter Life: 36 months
  • Reduces: Sediment, chlorine taste and odor, cysts, arsenic, barium, cadmium, chromium (Hex), chromium (Tri), copper, fluoride, lead, radium, selenium, turbidity and TDS
  • Temperature Range: 40 - 100°F
  • Pressure Range: 40 - 125 psi
  • Service Flow Rate: 0.75 GPM or 36.78 GPD
  • Easy Filter Change-outs: Twist on & off; no mess!
  • NSF certified
  • Manufactured in Mexico

Compatible with:
3M Water FiltrationOWS33-RO, 33-RO, 5598718, 55987-18
Water Factory Systems66-4710G2
California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov