Home / Filters & Cartridges / Replacement Filters for RO Systems / 3M GAC Pre/Post Filter for 3MRO401 and 3MRO501 RO Drinking Water Systems
3M Purification Inc.

3M GAC Pre/Post Filter for 3MRO401 and 3MRO501 RO Drinking Water Systems

Part Number: 3MROP412
Alt. Part Number: 47-9289G2, 47-557047CM, 3MROP412, 4373530
Subscription details

How subscriptions work

Products are automatically delivered on your schedule. No obligation, modify or cancel your subscription anytime.

Learn more...
Your price:
similar items

The 3M Granular Activated Carbon Pre/Post Filter is the replacement carbon filter for the 3MRO401 and 3MRO501 Reverse Osmosis Drinking Water Systems. This filter provides a separate stage of chemical reduction to help extend the life of your 3M RO Drinking System, and improves the smell and taste of your water.

This filter 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 data sheet.


  • Filter Life: 12 months
  • Filter Media: Granular activated carbon
  • Reduces: Chlorine taste & odor
  • Temperature Range: 40 - 100°F
  • Pressure Range: 40 - 100 psi
  • Flow Rate: 0.75 gpm
  • Easy Filter Change-outs: Twist on & off; no mess!
  • NSF certified
  • Manufactured in Mexico

Compatible with:
Aqua-Pure™/3M PurificationAP397E, 55582-03
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