SKU: 32691151024

3M FF100 Series

Sale price$333.00 Regular price$370.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

3M FF100 SeriesOkay, so this right here is the Cadillac of undersink filters: a full flow filter with a capacity of 6000 gallons, and filters down to 0. 2 microns. The NSF says it can reduce particulate, chlorine taste and odor, parasitic protozoan cysts, lead, and select volatile organic compounds (VOCs) such as benzene and p Dichlorobenzene. (Standards 42 and 53) But how does it work? It uses three stages, one right after the other. The first stage blocks the

Okay, so this right here is the Cadillac of undersink filters: a full flow filter with a capacity of 6000 gallons, and filters down to 0.2 microns. The NSF says it can reduce particulate, chlorine taste and odor, parasitic protozoan cysts, lead, and select volatile organic compounds (VOCs) such as benzene and p-Dichlorobenzene. (Standards 42 and 53)

But how does it work?

It uses three stages, one right after the other. The first stage blocks the larger particles with a screen.

Then, a membrane accordion blocks particles as small as 0.2 microns. To imagine what that looks like, imagine cutting a bacteria into 5 pieces. Each piece would probably be about 0.2 microns.

Finally, the last stage is a big ol’ block of activated carbon. This stage reduces chlorine, taste, and odor and select VOCs that may be present in the drinking water.

What about changing the filter? How often should I do that?

We could spend hours talking about gallons and average family usage, and all kinds of variables. But, the simplest way to look at it is this: Replace it when the water pressure starts to slow down OR when it’s been more than a year.

You can push it past a year, if you really want to, but once you start getting into the year and a half to two year range, I’d start to get a little skittish about safety.


As far as actually changing it, it’s about as easy as changing a light bulb. Just twist it (lefty loosey) and it’ll automatically shut off the water. Be careful at this point because it’s full of water and a bit heavy.

Then, take your new filter, take off the red cap if it’s still on there, push it back into the head and twist (righty tighty). Listen for the ‘whoosh’ to make sure it’s in there correctly.

Then, run the tap for a few minutes to flush out any dust or little bits. And voila! Filter replaced!

Dimensions:

Width and Depth: 4.5"

Heights:
Just the Cartridge: 14 3/4"
System (Cartridge + Head): 16 1/8"
Total Clearance (so you can change the cartridge): 19 1/8"

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 32691151024

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4.0 ★★★★★
Based on 27 reviews
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Product Reviews
M
Verified Purchase
Melace83
New York, US
★★★★★ 5
Works great
Size: C20 renewed
I saved some money by purchasing this certified like new. Worked well out of the box, but there was an issue with it and the people that do in fact check to ensure these work should do a better job. The issue was with the water and emptying it into the dirty tank. Just kept giving me an error. So, I had to look online for troubleshooting issues. After maybe 20-30 minutes I figured out a tiny little metal piece was loose where the water would have been distributed to. I was able to pop it out and place it back in. After that, and with the right settings selected through the app, everything works great. Well worth it.
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Reviewed in the United States on March 29, 2026
J
Verified Purchase
Jonathan B
Cuba, US
★★★★★ 3
Good mop, bad avoidance
Size: C20 renewed, Size: C20 renewed
I have mixed feelings about this product: The good – It does in fact clean very well. The mop picks up dirt effectively and the vacuum works very well. It was also surprisingly good at swapping from carpet to wood. I have a high door mat and it ran right over that. It was also good at mapping rooms and positioning, the floor map and restricted areas worked nicely. App also works well. The bad – Obstacle avoidance, it has none. It will run into everything over and over. If the item is too light (shoes, mic items, etc), it will run up on top of them or push them. It will also get stuck if it runs over something. Cords have no chance. The lidar does not work for anything except a wall, and even there it was unable to deal with short trim (1” trim was too low for the lidar and it kept running into the trim). I was having to run around and ensure there was nothing on the floor for it to work effectively. It also had a lot of trouble with my dining table, it would spend 20 min bumping up against it trying to get everywhere. Overall – this is a great robot mop if your floors don’t have any items on them (or you can restrict any loose items to one area and make it a no-go zone). If that is true then this is a great mop for the price and I would recommend. In practice for me it turned out to be quite annoying due to its limited obstacle avoidance and was almost more of a pain then just using a Swiffer. Note – I had to return because it was making a scraping noise (refurbished version), that is not reflecting in my rating. Though I am also not re-buying due to these issues.
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Reviewed in the United States on September 11, 2025
M
Verified Purchase
Mónica Caicedo
Massapequa, US
★★★★★ 5
neat
Size: C20 renewed
very nice product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
S
Verified Purchase
Samantha mann
Fort Morgan, US
★★★★★ 5
You do have to replace some of the moving parts
Size: C20 renewed
I love this for the price. I run it every single day, and it keeps mine floor, clean and free of hair and crumbs. I was skeptical, but pleasantly surprised. I even recommended this one to my sister. It’s nice not having to come home and sweep or vacuum the floor every single day because of the Pet hair.
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Reviewed in the United States on February 12, 2026
C
Verified Purchase
cecilia pena
Alexandria, US
★★★★★ 5
Perfect Replacement Roller Mop for Eufy Robot Vacuum
This replacement roller mop fits perfectly and works just like the original. Installation was quick and easy, and the quality feels durable and well-made. It does an excellent job picking up dust and light debris while providing consistent floor cleaning performance. The roller is washable, easy to maintain, and holds up well after multiple cleaning cycles. I appreciate that it restores the robot’s cleaning effectiveness without any compatibility issues. If you own a compatible Eufy model and need a replacement, this is a reliable option that keeps your robot performing at its best. Highly recommended for maintaining optimal cleaning results.
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Reviewed in the United States on May 30, 2026

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