Pure O2 Curve - Respirators designed to filter 99.8% of airborne pollutants

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Watch What Makes the O2 Curve the Best Respirator

  • Peter of Westminister

    Excellent! Safely seals over mouth and nose, exhales completely so you aren't breathing stale air, is comfortable for long periods once you get it adjusted right, blocks 99% of viruses and bacteria (you'll find stats and test results on the net) and is well made.

  • Ethan Brooke

    "Overall I found that this mask is the best out of the silicone respirators that I have tried. It provides competitive particle filtration and has great viral and bacterial filtering. It provided a fantastic fit and a strong seal."

  • Sotrios Papathansiou

    "The respirator fitted nicely around my face without making me feel uncomfortable and the ear loops are really soft, so don’t feel intimidated about its unique design. The valves really make a difference as well!"

  • Large exhalation valves

    Designed to maximize breathability & increase air flow.

  • Highly breathable consumable filters

    Lab tested consumable filters engineered to filter 99.8% of PM2.5 & PM10.

  • Durable & adjustable silicone ear loops

    Built-in silicone strap extender ensures snug fit for all face sizes.

O2 Curve Filters Actually Protect You Against the Elements

This is a filter that was used by an O2 Curve customer. He's a welder who uses O2 Curve as his primary protective layer against toxins. Get the best filters for the best respirator.

BUY YOUR FILTERS TODAY

After 9 years of design & innovation, Pure O2 Curve continues to sell its Filters & Respirators while keeping the world aware of the importance of breathing in quality air.

O2 Curve revolutionized the Air Filter Respirator Field, selling in 100+ countries & protecting millions 24/7 & 365 days year round from airborne viruses, diseases & pollutants harmful to us.

Shells & Straps

FAQ

What is the difference between a normal mask & a Respirator?

Respirators protect you from external pathogens whereas normal masks protect others from your own bacteria. Respirators protect the wearer from exposure to airborne particles, and in healthcare, protect from exposure to biological aerosols including viruses and bacteria. Normal masks are a barrier to splashes, droplets, and biological fluids, and were designed to protect patients from droplets expelled from health care workers. Respirators are designed to seal tight to the face of the wearer.

What makes the Pure O2 Curve Filter so effective?

The O2 Curve uses a triboelectric charged filtration system, which consists of a hydrophobic outer layer that sandwiches layers of melt blown filter medium. This filter system works both mechanically and electrostatically, and particles that are too small to be filtered physically are attracted to the charged filter, for improved filter efficiency and performance. The O2 Curve filters are designed to filter with greater than 99% efficiency down to a particle size of 0.1 µm, and independent lab testing confirmed filter efficiency of greater than 99% with particle sizes from 0.1 to 0.5 µm, using a flow rate of 236 L / min.

How often should I replace my Pure O2 Curve Filters?

How often you should replace your filter depends on usage and the environment it’s used in. For general use, such as pollution filtration, the filter should last one to two weeks. In very dusty environments, you may need to switch the filter more often. Health measures that work for some people may not necessarily work for others. Different people have different levels of sensitivity, and as such, may require different types of masks to protect against the same type and concentration of substance. A mask improperly used may do little to protect you from any offending substance and may even worsen your exposure in some cases.

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