Do Brita Filters Remove Microplastics? Only the Larger Ones

MicroPlastics Research DeskEditorial team

June 21, 2026

11 min read

Last reviewed: September 21, 2026 by the MicroPlastics Research Desk. Submit a correction or see our editorial standards.

Quick Answer

It depends on the cartridge. The Brita Elite (the blue filter, formerly LongLast+) is certified by WQA to NSF/ANSI 401 for 99.6% reduction of microplastic particles 0.5–1 µm, and to NSF 53 for lead. The standard white Brita is certified only for chlorine, taste and zinc (NSF 42) and cadmium, copper and mercury (NSF 53): no microplastic claim, and no lead. Neither filter is certified for nanoplastics, which no pitcher is. So if you own a Brita, the single most useful change is swapping to the Elite cartridge. Nanoplastics are a different matter: no filter of any type, reverse osmosis included, is certified to remove them.

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Do Brita filters remove microplastics. Standard, Elite, ZeroWater and reverse osmosis compared

Key Takeaways

The Brita Elite cartridge is certified under NSF/ANSI 401 for 99.6% reduction of microplastic particles 0.5–1 µm. The standard white cartridge has no microplastic certification.
Standard Brita is certified for chlorine, taste, zinc, cadmium, copper and mercury. Brita Elite adds lead, microplastics and a ~6-month life.
Microplastics span 1 µm to 5 mm. Loose-granule carbon pitchers catch the coarse end; sub-micron particles and nanoplastics slip through.
ZeroWater is certified for lead and PFAS, not microplastics. No filter of any type is certified for nanoplastics.
The Brita reservoir is BPA-free plastic holding cold water at room temperature, so the pitcher itself sheds little; a glass or stainless dispenser removes even that.

Brita & microplastics, the filtration facts

microplastic reduction, Brita Elite: 99.6%; particles 0.5–1 µm, certified by WQA to NSF/ANSI 401; the standard filter has no such claim; Brita Elite performance data sheet
microplastic size range: 1 µm – 5 mm; pitchers catch the coarse end; the fine end and nanoplastics pass; WHO 2022 microplastics report
Brita filter technology: carbon + resin; loose activated-carbon granules + ion-exchange resin, not a dense sub-micron block; Brita product documentation
Brita Elite cartridge life: ~6 months; about 120 gallons, three times the 2-month standard filter; Brita Elite performance data sheet
the microplastics standard to look for: NSF 401; the certification that actually includes a microplastics reduction claim; NSF/ANSI 401 protocol

How a Brita filter actually works, and where it stops

A Brita pitcher cartridge is two materials doing two jobs. The activated carbon adsorbs chlorine and the organic compounds that cause off-tastes and odours. The ion-exchange resin swaps out metal ions, the Elite cartridge is certified to reduce lead. Neither of those jobs is “remove microplastics.” What removes microplastics is physical size exclusion, and the Elite's denser media is good enough at it to be certified: a particle too big to fit through the media gets caught.

That is why the answer is “partly.” Microplastics are not one size, they run from 5 millimetres all the way down to 1 micron, and nanoplastics smaller still. A loose-granule carbon pitcher has relatively large, uneven flow paths between the granules, so it reliably catches the coarse particles and progressively less as the particles get smaller. A dense extruded carbon block, the kind used in filters certified to NSF/ANSI 401, has a much finer, more uniform pore structure and captures a far larger share of the small end. Brita's standard cartridge is not that; the Elite is certified to the same microplastics standard.

Common household filters vs microplastics (2026)
Filter	Technology	Certification	Microplastics	Verdict
Brita Standard	Carbon granules + resin	NSF 42, 53 (cadmium, copper, mercury)	No claim; coarse particles only	Taste, not microplastics
Brita Elite / Longlast+	Denser carbon + resin	NSF 42, 53, 401 (WQA)	99.6% certified (0.5–1 µm)	Certified for microplastics
ZeroWater (5-stage)	Carbon + ion exchange	NSF 42, 53 (IAPMO): lead, PFAS	No claim	Pick it for lead and PFAS
Clearly Filtered	Multi-stage affinity	NSF 42, 372 only	>99.99% in brand lab tests	Strong lab data, not certified
Reverse osmosis	Membrane	NSF 58 (401 only on some models, e.g. AquaTru)	AquaTru 96.48% certified; most RO models no claim	Check the model

Certifications vary by specific model and are updated over time; check the exact SKU on the NSF certified-products database before buying. For the full pitcher and system breakdown, see our water-filter comparison and best pitchers ranked.

What the MicroPlastics app checks

The polymer and packaging of the bottled waters and drinks you scan, so you can see what you're filtering out, and what you're re-adding after.
A 0–100 microplastic risk score per product, so “filtered tap in a glass” can be compared against “bottled water in PET.”
Lower-plastic swaps for the containers you store and drink filtered water from (glass and steel over plastic).
A running exposure log so you can tell whether switching filters or bottles is actually moving your overall number.

Use the App

Filtering tap is only half the equation

A great filter does nothing if you pour the water into a plastic bottle that sheds on the way to work. Scan your bottled waters, your filter pitcher, and your daily bottle to see where the plastic actually re-enters.

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So should you keep your Brita?

For most people, yes, with realistic expectations. A Brita meaningfully improves taste, cuts chlorine, and on the Elite cartridge is certified to reduce lead and microplastics; the standard cartridge still strips out the larger particles as a side effect. That is a genuine upgrade over unfiltered tap and far better for the planet than bottled water in PET, which carries its own microplastic load. Three ways to get more out of it:

Use the Elite cartridge, not the standard. It is the Brita filter certified for microplastics (99.6%) and lead, and it lasts about six months.
Change the cartridge on schedule. A loaded filter channels water around exhausted media and its particulate capture drops. Late changes are the most common reason a filter underperforms.
Nanoplastics are an open question for every filter. No filter, pitcher or reverse osmosis, is certified for them, so no upgrade buys certified nanoplastic removal. The pitcher ranking shows which other pitchers are certified for microplastics and which are only lab-tested.

Frequently Asked Questions

Do Brita filters remove microplastics?

It depends on the cartridge. The Brita Elite is certified by WQA to NSF/ANSI 401 for 99.6% reduction of microplastic particles 0.5 to 1 micron. The standard white Brita cartridge has no microplastic certification: it traps some larger particles by size exclusion, but it is certified only for chlorine, taste, zinc, cadmium, copper and mercury. Neither is certified for nanoplastics.

Is Brita Elite better than standard Brita for microplastics?

Yes, clearly. The Elite (formerly Longlast+) is certified under NSF/ANSI 401 for 99.6% reduction of microplastic particles 0.5 to 1 micron, and under NSF 53 for lead. The standard cartridge carries neither claim. The Elite also lasts about six months, three times as long.

What filter removes the most microplastics?

Look for a certified NSF/ANSI 401 microplastics claim, whatever the filter type. No filter is certified for nanoplastics, and most reverse-osmosis models carry no microplastics claim (AquaTru does, at 96.48%). Among pitchers, PUR PLUS (99.8%), Brita Elite (99.6%) and the LifeStraw Home glass pitcher are certified. Clearly Filtered publishes a higher lab figure but is not certified for it, and ZeroWater makes no microplastic claim.

Does the Brita pitcher itself add microplastics?

Minimally. The reservoir is BPA-free plastic holding cold water at room temperature, the low-heat, low-acidity conditions where plastic sheds least. If you want to remove even that variable, Brita and others sell glass and stainless dispensers, or you can decant filtered water into a glass carafe.

Does boiling water remove microplastics instead?

Boiling can cause some microplastics to bind with limescale in hard water, which then settles out, but it does not reliably remove them and can fragment particles. It is not a substitute for filtration. Use an appropriate filter and store the water in glass or stainless steel.

Sources

World Health Organization (2022). Dietary and inhalation exposure to nano- and microplastic particles and potential implications for human health. WHO.
NSF International (2024). NSF/ANSI 401: Emerging Compounds/Incidental Contaminants (includes microplastics). NSF.
Cox KD, Covernton GA, Davies HL, et al. (2019). Human consumption of microplastics. Environmental Science & Technology.
Zangmeister CD, Radney JG, Benkstein KD, Kalanyan B. (2022). Common single-use consumer plastics release trillions of nanoparticles per litre into water. Environmental Science & Technology Letters.
Yang Z, et al. (2024). Drinking boiled tap water reduces human intake of nanoplastics and microplastics. Environmental Science & Technology Letters.

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