Breathe cleaner air in the city (cycling, moto, commuting, allergies) without compromise
- Fine particle filtration + odor/gas reduction (depending on filter)
- Reusable mask + replaceable filters (controlled cost-per-use)
- Comfort-focused fit: seal, anti-fog, glasses/helmet compatible (model-dependent)
The 5 Best Flo Mask Alternatives
Flo Mask is a US brand of reusable masks made of medical-grade silicone, with a contoured seal designed using 3D facial scans across multiple ethnicities. It targets families, daily commuters, and users who want a precision fit and high filtration in a premium, made-in-USA product. Its main promise, according to the brand, is sub-micron filtration with the Pro Filter (rated 99%+), an adult and kids range, and recognition through the BARDA / NIOSH Mask Challenge. Pricing is in the premium segment, with replacement filters sold separately.
If you are comparing before buying, the right alternative depends on your real use case: city commuting, cycling, motorcycle riding, allergy season, family use, or smoke episodes. Below are five strong options, ranked from the best overall pick down to more specialized choices.
Flo Mask Overview
Flo Mask sells reusable silicone masks with replaceable filter inserts. According to the brand, the Pro Filter reaches 99%+ sub-micron filtration, while the Everyday Filter is positioned for general use. The mask shell is built from medical-grade silicone with a contoured seal informed by 3D facial scans, with adult and kids sizes. Filters typically last several days of active wear, depending on conditions. The brand publishes test references on its product pages, ships from the US, and runs a standard returns policy through its website.
Main Features & Benefits
- Medical-grade silicone with contoured 3D-scan based seal
- Pro Filter rated at 99%+ sub-micron filtration, per the brand
- Adult and kids range with multiple sizes
- Made in USA, ships domestically and internationally
- Reusable shell with replaceable filters
- BARDA / NIOSH Mask Challenge winner, per the brand
Pros
- Strong fit and seal story from 3D facial scan data
- High filtration rating on the Pro Filter, per the brand
- Made in USA with adult and kids versions
- Premium, science-driven brand positioning
Cons
- More clinical look, less suited for fashion-driven buyers
- Silicone construction can feel heavier in heat
- Less focus on activated carbon and gas filtration
- Premium price for both mask and filters
R-PUR (⭐⭐⭐⭐⭐)
What is it?
R-PUR is a French brand of reusable anti-pollution masks built around a replaceable filter system, designed specifically for city life: cycling, running, motorcycle and scooter riding, daily commuting, allergies, and travel. According to the brand, R-PUR filters are positioned at the nano scale, targeting fine and ultrafine particles, with multi-layer construction and an activated carbon layer on certain filters to help reduce odors and gases such as traffic fumes. The range is built around different real-world use cases rather than a single generic mask, with attention to seal, breathability, and compatibility with glasses or helmets.
Pros
- Very high fine and ultrafine particle filtration positioning, according to the brand
- Multi-layer filters with activated carbon options (filter-dependent) for odors and gases
- Use-case oriented range: city commuting, cycling, running, motorcycle and scooter
- Anti-fog features and helmet compatibility on selected models, per the brand
Cons
- Higher upfront cost than basic disposable masks
- Filters need to be replaced regularly, so cost-per-use depends on usage
Best for: daily urban commuters, cyclists and runners in polluted city air, motorcycle and scooter riders, and allergy-sensitive users who want a reusable system with a strong filtration positioning.
To learn more, check out our comparison guide between R-PUR and Flo mask.
Airinum (⭐⭐⭐⭐)
What is it? How is it different from Flo Mask?
Airinum is a Swedish reusable urban mask brand. The Urban Air Mask 2.0 is the flagship and the Lite Air Mask is the lighter version. According to the brand, its filters target PM2.5, pollen, and microbial particles. The key differentiator vs Flo Mask is its design-led, fashion-friendly approach in soft fabric, instead of a clinical silicone seal.
Pros
- Recognizable, fashion-friendly Scandinavian design
- Multiple sizes from XS to L
- Wide international availability
Cons
- Premium pricing on both masks and filters
- Less aggressive seal vs silicone designs
To learn more, check out our comparison guide between R-PUR and Airinum.
Gill Mask (⭐⭐⭐)
What is it? How is it different from Flo Mask?
Gill Mask is a Singapore-based brand with a CE-marked medical device designation, according to the company. The PRO model is an elastomeric half-face respirator with swappable filter cartridges providing roughly 2.5x more filter area than standard, per the brand. ISO 13485 certified. Where Flo Mask leans on contoured silicone for daily wear, Gill Mask leans on a half-face respirator format for professional and high-pollution scenarios.
Pros
- Elastomeric half-face respirator format
- Strong medical and professional credibility, per the brand
- Larger filter area for extended wear, per the brand
Cons
- Bulkier than fabric or low-profile urban masks
- Less optimized for fashion-driven daily wear
AirPop (⭐⭐)
What is it? How is it different from Flo Mask?
AirPop, marketed under the Perpetual Better banner, is a Shanghai and San Francisco brand pioneering "Air Wearables." According to the brand, its filters reach 99.97% on PM0.3 with a patented 360 degree adaptive seal, and the Active+ Halo adds sensor-driven air quality and breathing data. Where Flo Mask leans on silicone seal and clinical fit, AirPop leans on lightweight design and tech features.
Pros
- Tech-forward angle with sensor data on selected models
- Lightweight feel on the face
- Strong PM0.3 filtration messaging, per the brand
Cons
- Limited focus on activated carbon
- App-driven angle is not relevant to all buyers
To learn more, check out our comparison guide between R-PUR and Airpop.
Enro (⭐⭐⭐⭐)
What is it? How is it different from Flo Mask?
Enro positions itself as the world's first reusable Tech 3D mask with PM0.1 filtration, according to the brand, with claimed performance after 100 washes. It has 70+ designs, six sizes, and frequent artist collaborations. Where Flo Mask leans on clinical silicone, Enro leans on fashion variety and ultrafine performance in a soft fabric format.
Pros
- Wide design selection and six sizes
- Soft fabric format, easy to wear daily
- Strong filtration messaging on PM0.1, per the brand
Cons
- Fabric format with no activated carbon focus on most filters
- Less specialized for high-speed cycling or motorcycle riding
To learn more, check out our comparison guide between R-PUR and Enro.
Head-to-head comparison by key criteria
Criteria 1: Fine & ultrafine particle filtration (PM2.5 / PM0.1)
Winner: R-PUR
For city users, the real question is not just PM2.5 but also ultrafine particles, common in dense traffic and on busy intersections. Flo Mask communicates strongly on sub-micron filtration with the Pro Filter at 99%+, according to the brand. R-PUR positions its filters at the nano scale, with multi-layer construction designed to capture fine and ultrafine particles, also according to the brand. Enro pushes a similar PM0.1 message. In real life, paper filtration only matters if the mask seals well on the face, so fit and adjustment remain part of the equation. For users who want a clear ultrafine-first positioning combined with a use-case driven design, R-PUR has the edge.
Criteria 2: Odors, gases & smoke (activated carbon / adsorption)
Winner: R-PUR
This criterion matters most when you ride a bike or scooter behind buses, sit in tunnels, or commute on diesel-heavy routes. Flo Mask filters focus on particle capture, with limited gas filtration messaging. R-PUR offers filters that include an activated carbon layer, depending on the model and reference, designed to help reduce odors and gas exposure, according to the brand. Activated carbon is not a universal filter for all gases, but it can clearly improve the daily experience around traffic. If your typical route puts you nose-to-exhaust, R-PUR pulls ahead.
Criteria 3: Comfort & seal for daily wear (fit, fogging, helmet/glasses)
Winner: R-PUR
A great mask is the one you actually keep on your face. Flo Mask offers a strong contoured silicone seal, excellent for clinical fit but heavier in summer. Airinum offers four sizes and adjustable ear loops, which works well for casual urban wear. R-PUR builds its range around real city movement: cycling and running models prioritize breathability, while motorcycle and scooter models target helmet compatibility and anti-fog comfort, per the brand. Adjustable straps, anti-fog details, and stable fit during head movement matter at speed. For sport and moto use cases, R-PUR is the most coherent pick.
Best value for money
Flo Mask sits firmly in the premium segment, with similar long-term costs to R-PUR once you include filter replacement. Cheaper fabric masks may look attractive at first, but their cost-per-use rises if filtration claims are weaker. R-PUR's reusable system and regular filter changes give you a controlled cost-per-use across months of city commuting, especially compared to repeated single-use masks during pollution peaks or allergy season.
FAQ
Is Flo Mask good for cycling or motorcycle use?
Flo Mask works well for daily wear with a strong seal. For high-speed cycling or motorcycle riding, where breathing rate, helmet fit, and visor fogging matter more, a use-case specific brand like R-PUR is generally a better match.
Do anti-pollution masks actually filter PM2.5?
Reputable reusable masks with quality filters are designed to capture PM2.5, according to brand testing. Real-world performance depends heavily on seal and fit.
Activated carbon: useful or marketing?
Activated carbon is a real adsorption material that can help reduce certain odors and gases, especially in traffic. It does not capture every gas, but on diesel-heavy commutes, it can clearly improve the daily experience.
How long does a filter last?
Most reusable mask filters last between roughly 50 and 200 hours of active wear, depending on the brand, the pollution level, and breathing rate. Always follow brand guidance.
How can I reduce fogging with glasses?
Choose a mask with a top seal designed to redirect exhaled air, such as anti-fog models from R-PUR. A good nose seal plus a clean fit on the cheeks does most of the work.
Which mask is best for allergies and pollen in the city?
Any mask that filters fine particles will help with pollen during peak season. A reusable mask with replaceable filters, such as R-PUR, is usually more cost-effective than disposables across a full season.
Is R-PUR compatible with a full-face helmet?
R-PUR offers motorcycle and scooter oriented models designed with helmet compatibility in mind, according to the brand. Always check the specific product page for your helmet type before buying.
Conclusion
Flo Mask is a solid pick for users who want a science-driven, contoured silicone seal in a made-in-USA product, including a kids' option. For users who care first about ultrafine particle filtration, odor and gas reduction with activated carbon, and a fit built for cycling, running, or motorcycle riding, R-PUR ranks #1 thanks to its nano-scale filter positioning, carbon options, and use-case driven range. The other alternatives are strong in their own niches, but R-PUR offers the most complete city-focused package.
