

RZ F3 Premium High Flow Filters 3-Pack | 99% Filtration + 50% Better Breathability | M1, M2 & M2.5
Pairs well with
In stock! Ships within 1-2 business days.
90-day risk-free trial
2-Year Warranty
Complimentary shipping & returns
Upgrade Your Breathability Without Sacrificing Protection
The RZ F3 Premium High Flow Filter is the performance upgrade for your M1, M2, or M2.5 mask. If you've ever felt restricted during high-exertion activities — cycling, woodworking, construction, or outdoor work — the F3 solves that. It delivers the same 99% filtration as the standard F1, but with an optimized airflow system that provides up to 50% better breathability. More air, same protection.
RZ Mask has been engineering precision respiratory protection since 2011, with 15+ USA and international patents. The F3 filter is the result of that same relentless innovation — a multi-layer system that outperforms without compromising comfort.
What's the Difference Between F1 and F3 Filters?
This is one of the most common questions RZ Mask customers ask — and the answer matters for how you use your mask:
- F1 Standard Filter — 99.9% filtration down to 0.1 microns, standard breathability, ideal for lower-exertion tasks
- F3 High Flow Filter — 99% filtration + active carbon odor elimination + up to 50% better airflow, ideal for high-exertion activities and extended wear
If you're working hard, moving fast, or wearing your mask for hours at a time, the F3 is the right choice.
Three-Layer Filtration Technology
- 99% Filtration Efficiency — Captures dust, pollen, allergens, pet dander, and microscopic pollutants down to 0.1 microns
- Up to 50% Better Breathability — Optimized high-flow airflow system for effortless breathing during exertion
- Activated Carbon Layer — Neutralizes odors, smoke, and organic chemicals
- 360-Degree Seal — Works with your mask's existing seal for consistent filtration performance
- 3-Pack Value — Extended supply for regular filter replacement
Compatible With
RZ M1 Neoprene Mask, RZ M2 Mesh Mask, RZ M2.5 Mesh Mask. For the RZM3 mask, see the RZM3 Premium F3 Filters. Need a larger supply? See the RZ F3 High Flow Filters 12-Pack.
Ideal For
Cycling, running, construction, woodworking, agriculture, landscaping, wildfire smoke, and any activity where extended wear or high exertion makes breathability critical.
Replace filters regularly to maintain peak filtration performance. 3 filters included.

RZ F3 Premium High Flow Filters 3-Pack | 99% Filtration + 50% Better Breathability | M1, M2 & M2.5
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.

Advanced Filters
Key Features of F3 Active Carbon Filters:
- Twist-In Design: Allows for easy & secure filter changes.
- Active Carbon Layer: Effectively combats fumes, odors, and organic chemicals.
- 99% Particulate Filtration: Captures up to 99% of airborne particles down to 0.1 micron.
- Extended Lifespan: Designed for durable performance and long-lasting use.
- Designed for RZ Classic Models: Fits M1, M2, M2N, & M2.5 Models)
- 50% Better Breathability: Offers up to 50% better breathability from the F1 Filter model.

Built to Stop What You Can’t See
The F3 Filters deliver high-efficiency particulate protection for demanding dusty environments, capturing 99% of airborne particles down to 0.1 micron. That’s an ultra-fine particle size—far smaller than the dust, smoke, and aerosols you typically encounter on the job—helping you breathe cleaner even when hazards aren’t visible. For perspective, a human hair is roughly 50–100 microns wide, so 0.1-micron particles are about 700–1,000× smaller than a single hair. In short, the F1 filter is built to trap the microscopic stuff you can’t see, while still keeping airflow comfortable for all-day wear.

Power of Active Carbon
Experience truly clean air with RZ Mask filters, featuring a high-quality layer of active carbon. This remarkable material, derived from activated charcoal, acts like a powerful sponge, absorbing and neutralizing harmful gases, unpleasant odors, and chemical fumes. It's the essential layer that ensures you breathe pure, fresh air, adding an unmatched level of comfort and confidence to your protection.
Join the RZ community
Be inspired. See how real people are using RZ, share your experience, and start connecting today!
100% Satisfaction Guarantee
FAQs
Please read our FAQs page to find out more.
What is your satisfaction guarantee?
We stand behind every RZ Mask with a 30-day satisfaction guarantee. Try it out for real-world use — if you’re not completely satisfied within 30 days of purchase, you can request a return and we’ll make it right.
How do I choose the right size?
Fit is everything for comfort and performance. Each mask page includes a sizing guide, and our adjustable strap system plus flexible nose foam helps dial in a secure seal across a wide range of face shapes.
You can also view our sizing guide video here: Sizing & Fitting Guide
How long do RZ filters last?
The life expectancy of your RZ Filter depends on many variables, such as; particulate exposure density, particulate exposure duration, and user breathing rate.
Ultimately, filter life depends on your environment. Replace your filter when breathing becomes noticeably harder, the filter looks dirty, or after heavy-dust days.
What kinds of particles do RZ Masks help protect against?
RZ Masks are designed to help reduce exposure to airborne particulates like dust, pollen, smoke, and other jobsite or everyday nuisance particles. Different models/filters have different performance levels, so check the product’s certification or filter spec for exact use-cases.
How fast is shipping, and what are your return rules?
Shipping times and costs are shown at checkout, and free-shipping thresholds may apply depending on your region. If you need to return an order, you can start the process through our Returns page found in the website footer.





