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3M™ Advanced Drinking Water System

Availability: In stock

Model No: 3MDW301

or call us at 1 (855) 369-2837 for more
information on purchasing this product.



The 3M™ Advanced Drinking Water System provides cleaner, better tasting water by reducing common contaminants. It fits easily under your sink and operates through a dedicated faucet (not included). Designer faucets are available in attractive styles and finishes.

This system helps address a number of contaminants that may be found in your water including chlorine taste and odor, sediment, chloramines, MTBE, volatile organic compounds (VOCs), asbestos, lead and cysts. The replacement filter is easy to change -- twist on, twist off, no mess.


  • Combines a pharmaceutical grade membrane with 3M's patented carbon block technology for superior contaminant reduction
  • Filter usage monitor, so you only change filters as needed
  • Installs easily under your sink, out of sight and uses a designated faucet
  • Easy-change replacement filter - twist off, twist on, no mess

This system requires the purchase of a Dedicated Faucet which are available in a variety of finishes.

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


Additional Information

Reduction Claims

Sediment, Chlorine Taste and Odor, Chloramines, MTBE, Volatile Organic Compounds (VOCs)**, TTHM, Lead and Cysts*

* (See Performance Data Sheet for Additional Reduction Claims)

** Volatile Organic Compounds (VOCs) Include: Alachlor, Endrin, Simazine, Atrazine, Ethylbenzene, Styrene, Benzene, Ethylene Dibromide(EDB), 1,1,2,2-tetrachloroethane, Carbofuran, Haloacetonitriles, Tetrachloroethylene, Carbon Tetrachloride, Bromochloroacetonitrile, Toluene, Chlorobenzene, Dibromoacetonitrile, 2,4,5-TP(silvex), Chloropicrin, Dichloroacetonitrile, Tribromoacetic acid 2,4-D, Trichloroacetonitrile, 1,2,4-trichlorobenzene, Dibromochloropropane (DBCP), Haloketones, 1,1,1-trichloroethane, O-dichlorobenzene, 1,1-dichloro-2-propanone, 1,1,2-trichloroethane, P-dichlorobenzene, 1,1,1-trichloro-2-propanone, Trichloroethylene, 1,2-dichloroethane, Heptachlor, Trihalomethanes (TTHM), 1,1-dichloroethylene, Heptachlor Epoxide, Bromodichloromethane, Cis-1,2-dichloroethylene, Hexachlorobutadiene, Bromoform, Trans-1,2-dichloroethylene, Hexachlorocyclopentadiene, Chlorodibromomethane, 1,2-dichloropropane, Lindane, Chloroform, Cis-1,3-dichloropropylene, Methoxychlor, Xylenes, Dinoseb, Pentachlorophenol

Dimensions 16.25" x 4.4" (41.3 cm x 11.3 cm)
Temperature Range 40 - 100°F (4.4 - 37.8°C)
Pressure Range 25 - 125 psi (172 - 862 kPa)
Flow Rate 0.75 gpm (2.8 lpm)
Replacement Filter 3MDW311
Replacement Interval 12 months
Installation Manual 3MDW301_manual.pdf
Specification Sheet 3MDW301_spec.pdf
Performance Data Sheet 3MDW301_pds.pdf
California Certification 3MDW301_cacert.pdf
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Installation Difficulty

Novice Installation Skills Intermediate Installation Skills Advanced Installation Skills Professional Installation

Skills Needed:

  • Novice plumbing skills required if hole in sink is already present for dedicated faucet
  • Professional installation recommended if no hole in sink is present for dedicated faucet*

*(See Install Manual in Specifications Tab for More Details)

Parts and Materials Included:

  • 3MDW311 Replacement Filter
  • Filter Head Assembly
  • (4) 3/8" NPT x 1/4" Quick Connect Fittings
  • (1) 3/8" IPS x 1/4" Feedwater Adapter
  • (2) Phillips Head Mounting Screws
  • (2) Mounting Screw Star Washers
  • (1) Quick Connect 1/4" Ball Valve
  • 7' of 1/4" Plastic Tubing
  • Faucet Adapter 3/8" x 1/4" Quick Connect Fitting
  • Performance Indicator Device (PID) including batteries

Items Required (not included)

  • Adjustable Wrench
  • Cordless Drill
  • Phillips Head Screwdriver
  • Razor Knife
  • PTFE Tape
  • Drinking Water Faucet
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