The 3M™ 3MDW311 is the recommended replacement filter for 3MDW301 with faucet and the 3MDW301 drinking water system, which is installed under a sink and is a great choice for cleaner, clearer, and better tasing water for drinking (water, coffee, tea, etc.) and cooking. 

The system incorporates an advanced multi-stage membrane and activated carbon block filtration process to help reduce class 1 particulates, chlorine taste and odor, chloramine, asbestos, parasitic protozoan cysts*, lead, MTBE, TTHM, VOCs, 1,2,3-trichloropropane, emerging contaminants such as pharmaceuticals and personal care products (PPCPs) and endocrine disrupting compounds (EDCs) including microplastics, bisphenol A (BPA), diethyltoluamide (DEET), ibuprofen, atenolol, estrone, carbamazepine, linuron, metolachlor, meprobamate, naproxen, nonylphenol, phenytoin, and trimethoprim.

The 3MDW311 filter features an advanced multi-stage filtration with membrane and activated carbon block media to provide cleaner, clearer, better tasting drinking water.

The universal system can be used on both municipal (chlorine or chloramine disinfected) and well water (non-chlorinated or disinfected) water systems.

*Based on testing using cryptosporidium parvum oocysts.

3MDW311 Specifications & Features

• Sanitary Quick Change (SQC) design
• Built-in shut-off valve
• 0.75 gpm flow rate
• 1,000 gallon capacity
• 25-125 psi pressure range
• 14.75 inch x 4.4 inch