3M RV/Marine USF-A Undersink Water Filtration System w/Faucet
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  • 3M RV/Marine USF-A Undersink Water Filtration System w/Faucet

3M RV/Marine USF-A Undersink Water Filtration System w/Faucet

The 3M RV and Marine USF-A Under-Sink Dedicated Faucet Water Filtration System reduces contaminants and provides fresher, clearer, odor-free, good-tasting drinking and cooking water directly from the tap.

Replacement Cartridge: Model A

Item 3M-18306 is designed to be used with Model USF-A.

Upgrade Cartridge: Model C

Item 3M-18314 is designed to be used with Model USF-A or USF-C (The C cartridge provides additional protection from common water-borne bacteria, parasitic cysts and chemical contaminants like Lead, Mercury and select VOCs.)
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Tech Spec Product Info User Generated Content


  • Model A - Filter Performance:

  • Reduces >95% Chlorine Taste & Odor
  • Includes Bacteria Growth Inhibitor
  • Reduces Sand, Silt, Dirt, Rust & Sediment down to 1 micron
  • 0.5 GPM Flow Rate, 500 Gallon Capacity
  • Filter System Installation kit includes:

  • Filter head/mounting bracket
  • Cartridge: Model A
  • Dedicated faucet with 1/4" tubing
  • Self-piercing saddle valve


Features:  Benefits: 
Built-in by-pass valve  Allows for easy winterizing & line sanitizing 
Compact design  Fits in tight places without taking up valuable space 
Easy to Install  NO special tools required 
Installation Kit with Faucet  Complete package ready for installation 
Sanitary Quick Change  Change cartridge in seconds with no water spillage 
Self-piercing Saddle Valve  NO pipe cutting. Provides easy DIY connections to existing water supply line. 

3M RV and Marine Filtration Systems are specifically designed to address a wide range of concerns about the quality of water from campground, marina and other public hookups. 3M filters help to provide high quality water for drinking; coffee, tea, ice, cooking and washing.

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