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3M™ Reverse Osmosis Carbon Block Post-filter Replacement Filter (3MROP416)

Availability: In stock

Model No: 3MROP416

Call Us At 1-877-344-1396

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this product.



Replacement filter for use with your 3M™ Reverse Osmosis Drinking Water Filtration Systems: 3MRO401 and 3MRO501. This filter reduces chlorine taste and odor in your 3M Reverse Osmosis Drinking Water Filtration System. Recommended Replacement Interval: 12 months.


  • Fast and easy filter change-outs.
  • Twist on, twist off, no mess.

Need help deciding between our systems? Read Our Buyer's Guide


Additional Information

Reduction Claims

Sediment, Chlorine Taste and Odor, Cysts, Arsenic*, Barium, Cadmium, Chromium (Hex), Chromium (Tri), Copper, Fluoride, Lead, Radium, Selenium, Turbidity and Total Dissolved Solids (TDS)**

*NSF certification for Arsenic reduction stipulates that this product is intended for use only on water supplies that have been shown to be at or below the referenced concentration and valency of arsenic.

**(See Performance Data Sheet for Additional Reduction Claims)

Dimensions 16.06" x 13.94" x 4.38 (40.8 cm x 35.4 cm x 11.2 cm)
Temperature Range 40 - 100°F (4.4 - 37.8°C)
Pressure Range 40 - 100 psi (276 - 689 kPa)
Flow Rate .75 gpm (2.8 lpm)
Replacement Filter 12 months
Replacement Interval varies, depending on feed water quality
Installation Manual 3MROP_ctgchg.pdf

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Installation Difficulty

Novice Installation Skills Intermediate Installation Skills Advanced Installation Skills Professional Installation

Skills Needed:

  • No special plumbing skills required

Tools Required:

  • None
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