All-Day, Everyday Protection – Whether you're working, traveling, or enjoying the outdoors, O2 Nose Filters are your invisible shield against airborne particles. Ideal for environments with high pollen levels, heavy smog or pollution, wildfire smoke, dusty work conditions, and crowded areas.

Advanced 3M Filtration – Engineered with premium filter media from 3M, these nasal dilators use electrostatic technology to trap microscopic particles as small as 2.5 microns - helping you breathe cleaner, fresher air.

Comfortable & Latex-Free Design – Unlike traditional masks, O2 Nose Filters don’t cause heat buildup, sweating, or fogging glasses. They’re discreet, lightweight, and ideal for use in airports, public transit, and busy indoor areas.

Breathe Easier with Allergy Relief – Say goodbye to seasonal sneezing and congestion. O2 Nose Filters help block airborne allergens like pollen, dust, and pet dander before they enter your system - providing natural, drug-free relief wherever you go. Allergy UK Approved.

Find Your Ideal Fit – Designed from soft, surgical-grade plastic, our nose vents come in five sizes to suit most nose shapes. Start with our convenient trial pack featuring 4 sizes to discover your perfect match. Replace nose filter every 8 hours.