SKU: 32691151024

3M FF100 Series

Sale price$333.00 Regular price$370.00
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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
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Exchange/Return Notes
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SKU: 32691151024

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J. Kalina
Fort Morgan, US
★★★★★ 5
Beautiful & functional
Size: 24x7.9, Color: Black
I was really surprised at how easy these shelves were to install. They look great, and give an elegant, subtle, look to any room. I'm using them in my home office. I plan to order a couple more sets soon.
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Reviewed in the United States on April 15, 2026
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George Lollar
Port Orchard, US
★★★★★ 5
Nice
Size: 24x5.8, Color: Black
Easy install. Look nice and solid. Pay attention and be sure to install shelves with the pre drilled holes on the bottom of shelves.
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Reviewed in the United States on April 12, 2026
T
Verified Purchase
TKP
Massapequa, US
★★★★★ 5
Great small hanging shelf
These were a great addition to my DYI bathroom remodel. I needed that exact length and it fit perfect for my needs and I was able to install it myself. I’m a 53-year-old woman. I used the other one for a shelf for a candle as well. It holds my oral hygiene caddy well, keeping my sink counter clean.
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Reviewed in the United States on October 11, 2025
K
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Kenny
Dallas, US
★★★★★ 5
Works Great and Easy to use
Size: 15x6.8, Color: Black
Great product works as described in ad and easy to use. Well built design and good quality. Easy to install. The price was a good value and fast shipped.
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Reviewed in the United States on October 9, 2025
J
Verified Purchase
jmyrup1
Carnegie, US
★★★★★ 4
Not too sturdy
Size: 15x6.8, Color: Black
Not the sturdiest or highest of quality, but they look good. We attached them to our headboard as night tables and reinforced them with L braces from Home Depot and they work great
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Reviewed in the United States on November 19, 2025

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