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Waterdrop Replacement for Filtrete Advanced 3US-PF01 Under Sink Water Filter
Waterdrop Replacement for Filtrete Advanced 3US-PF01 Under Sink Water Filter

Waterdrop Replacement for Filtrete Advanced 3US-PF01 Under Sink Water Filter


5 reviews
*Get 20% off with code: BF20
Valid: 11.23-11.29 PST




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  • Filtrete filters 3US-PF01 replacement adopts advanced coconut carbon shell that can remove 98% of chlorine, sand, sediments, taste and odor.
  • Food-grade plastic housing ensures you pure water.
  • Only need to change the filter every 6 months or 2,000 gallons of filtered water.
  • Easy installation with no tools required.
33-100 °F / 0.6-38 °C
Filter capacity:
 2,000 gallons (7570 liters) / 6 months
Filtration performance with Waterdrop filtrete filters 3US-PF01 replacement.
Activated carbon filtration, usually in the form of high-performance carbon block filters, is the cornerstone of most under sink water filter system. Waterdrop 3US-PF01 replacement adopts the premium carbon materials from Sri Lankan coconut shell, which achieves a superior reduction performance. With our high-quality filter, it helps remove chlorine, bad taste, odor, heavy metals and more harmful elements, aiming to provide you fresh and healthy drinking water.
How does under sink water filter work?
Conventional under sink filter: It receives water from the under sink cold water pipe and water flows from a flexible plastic tube to the water filter. And the water will be delivered to the user through the filter's own special faucet, installed on top of the sink. The system is under constant pressure so that when the user opens the filter's faucet, the sink water will flow through the filter and out the faucet.
Simple under sink filter: In this arrangement the cold-water is diverted through the filter and filtered water is dispensed through the regular cold-water sink faucet. Besides, the hot water won’t be filtered. The simple under sink filter without a separate is becoming more popular and more practical with the advent of flexible rather than hard copper under sink piping. Flexible delivery pipes make the under counter water filter installation simple and affordable.

Are under sink water filters any good?

It’s more efficient than ever. With only 3 second to change a new one without any professional help, you can enjoy fresh and healthy water. What’s more, the advanced under sink water filter 3US-PF01 replacement is quite cost-effective with long-lasting service life, changing twice a year with Waterdrop. Under sink water filter system ensures to remove chlorine, bad taste, odor and many other harmful substances.

Is this a replacement filter for 4US-MAXS-S01?

This filtrete 3US-PF01 filter replacement is designed to suit for filtrete 3US-AS01, 3US-PS01, and 3US-MAX-S01 systems.

How long do WD-3US-PF01 under sink water filters last?

Our R&D is dedicating on the technology investment. Waterdrop filtrete filters 3US-PF01 replacement can last 6 months or 2,000 gallons of filtered water, whichever comes first will vary based on water condition. It helps to cut down your budget shopping expensive bottled waters and also protect the environment.

What could this 3US-PF01 reduce?

This under counter water filter uses premium materials including advanced ion exchange resin and superior granular activated carbon for effective reduction of potentially harmful elements.

Is there a difference between the 3US-PF01 and the 3US-PF01H? Will the PF01 fit the base that is 3US-PS01H?

No there isn't a difference, they're the same filter so that PF01 will fit the PS01H base.

Is WD-3US-AF01 same as WD-3US-PF01?

Please confirm the filter you need. These two are entirely different under sink water filters. Please purchase after checking and confirming the filter appearance and model number.
Waterdrop Countertop Reverse Osmosis System
Efficient filtration
Our advanced under sink water filtration filter can reduce chlorine and other harmful substances, serving you fresh and crisp drinking water.
Supreme materials
  • The under sink water purifier adopts coconut shell carbon block from Sri Lanka absorbing chlorine and unpleasant tasting.
  • The filter uses food-grade plastic housing to prevent impurities leaching back to your water.
Premiun material
Perfect fit your original brand
WD-3US-PF01 replacement is designed to fit your original brand. If there is any question, please feel free to contact our professional service team.
Stable & fast water flow
The under counter water filter can produce water quickly with stable and rapid low, thereby meeting the needs of your whole family and even small companies.
The Waterdrop WD-3US-PF01 replacement is compatible with following model numbers:

3M Filtrete

3US-PF01, 3US-MAX-F01, 3US-PF01H, 3US-MAX-F01H


**The above brands do not source or sponsor the water filter. The manufacturers' names and model numbers have been used for reference purposes only.

Customer Reviews
4.8 Based on 5 Reviews
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Filter Reviews:
Easy to install, great price !! can't go wrong here

will order again. very easy to install

Brian K.
Great product

Great product. I have been using this product for a little while now and I’m pretty pleased with it. Will continue to purchase.

Chris M.
Water filter

Less expensive option than the 3m original.

A. Lopez
Easy install

Easy to install and less expensive than the name brand.

Good value.

Fits in Filtrete Under Sink system well. Improved flavor and flow over old filter.