Features
- Make sure this fitsby entering your model number.
- HEALTHY LIVING FILTRATION LEVEL – This system reduces chlorine taste & odor as well as microbial cysts
- EXTREMELY CLEAN WATER – This system reduces sand, sediment, rust, and soil (0.5 microns)
- USES EXISTING FAUCET – Filter water right at the sink without having to install an entirely separate faucet
- QUICK CHANGE – The filters in this system are easy to install, requiring just a 1/4 turn for a quick change
- SIX MONTH FILTER LIFE – Use these filters for up to six months each
- NSF STANDARD 42 CERTIFIED – Tested and certified by one of the world's most respected independent certification organizations that helps protect the world's food, water, consumer products, and environment
- Healthy Living water filtration reduces microbial cysts, chlorine taste & odor, sand, soil, silt, rust and sediment based on 3M Testing
- No dedicated faucet. Easily connects to your kitchen or any bath faucet
- Installs in less than 30 minutes and offers 6-month filter life
- Maintains full water flow on your existing faucet
- NSF certified Standard 53 and 42
- Maximum, Advanced and Standard undersink replacement filters are interchangeable with System
- Consider an upgrade to the Filtrete Maximum Under Sink Filter for 99.3% Lead Reduction
Product Images
From the manufacturer
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Easy to Install
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Step 1: Turn off water & attach faucet water supply hose to quick connect output on filter head. |
Step 2: Attach water supply hose to quick connect input on filter head. |
Step 3: Attach filter with easy 1/4 turn installation & turn on water. Note: See Use & Care Guide for detailed install instructions. |
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Filtrete Standard Under Sink Water Filtration System | Filtrete Advanced Under Sink Water Filtration System | Filtrete Maximum Under Sink Water Filtration System | Filtrete Maximum Under Sink Water Filtration System with Dedicated Faucet | |
Model # |
3US-AS01 |
3US-PS01 |
3US-MAX-S01 |
4US-MAXL-S01 |
Filtration Reduction |
Sediment, Chlorine Taste & Odor |
Sediment, Chlorine Taste & Odor, Microbial Cysts |
Sediment, Chlorine Taste & Odor, Microbial Cysts, Lead |
Sediment, Chlorine Taste & Odor, Microbial Cysts, Lead, Pharma, Chemicals |
Sediment Reduction (Microns -Lower is Better) |
5 Microns |
0.5 Microns |
0.5 Microns |
0.5 Microns |
Filter Life (Up to) |
6 Months |
6 Months |
6 Months |
6 Months |
Easy to Install / Replace |
Easy DIY Install |
Easy DIY Install |
Easy DIY Install |
Easy DIY Install |
Easy, 1/4 Turn Filter Changes |
Yes |
Yes |
Yes |
Yes |
NSF/WQA Certified |
NSF |
NSF |
NSF |
NSF |

Product description
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Easy to Install
|
|
|
---|---|---|
Step 1: Turn off water & attach faucet water supply hose to quick connect output on filter head. |
Step 2: Attach water supply hose to quick connect input on filter head. |
Step 3: Attach filter with easy 1/4 turn installation & turn on water. Note: See Use & Care Guide for detailed install instructions. |
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|
---|---|---|---|---|
Filtrete Standard Under Sink Water Filtration System | Filtrete Advanced Under Sink Water Filtration System | Filtrete Maximum Under Sink Water Filtration System | Filtrete Maximum Under Sink Water Filtration System with Dedicated Faucet | |
Model # |
3US-AS01 |
3US-PS01 |
3US-MAX-S01 |
4US-MAXL-S01 |
Filtration Reduction |
Sediment, Chlorine Taste & Odor |
Sediment, Chlorine Taste & Odor, Microbial Cysts |
Sediment, Chlorine Taste & Odor, Microbial Cysts, Lead |
Sediment, Chlorine Taste & Odor, Microbial Cysts, Lead, Pharma, Chemicals |
Sediment Reduction (Microns -Lower is Better) |
5 Microns |
0.5 Microns |
0.5 Microns |
0.5 Microns |
Filter Life (Up to) |
6 Months |
6 Months |
6 Months |
6 Months |
Easy to Install / Replace |
Easy DIY Install |
Easy DIY Install |
Easy DIY Install |
Easy DIY Install |
Easy, 1/4 Turn Filter Changes |
Yes |
Yes |
Yes |
Yes |
NSF/WQA Certified |
NSF |
NSF |
NSF |
NSF |
