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DNO technology thoroughly removes pollutants in the air, returning it to purity. It kills biological pollutants like viruses and bacteria. It captures physical pollutants like pollen and the PM2.5 matter that gets into our lungs, blood, hearts and brains. And it destroys chemical pollutants like formaldehyde, ozone, and the seriously dangerous NOx and SOx gases.


Different pollutants are different shapes and sizes. DNO technology uses a catalyst operating at the tiniest nano-particle level to accelerate the chemical cleansing effects of oxygen.

It does this via a number of patented processes including the manufacture of the catalyst itself with a huge surface area creating a sponge-like pollutant absorbency effect. Just one gram of the catalyst has 1000m2 of surface area. This is the equivalent of 10 football pitches of catalytic material.


DNO pollution erasing technology was developed at Oxford University by Dr Xiao Tiancun of Healthy Air Technology Ltd. It is a series of patented advanced environmentally-friendly, high-efficiency catalysts that use specific surface air carriers to support active oxide materials.


Harmful pollutants are converted into harmless substances like water and safe gases. Independent testing by world renowned SGS headquartered in Geneva confirms  removal and destruction of 99.9% of coronavirus H1N1 which is smaller and harder to eradicate than the latest SARS-CoV-2. Read the report here.


Serious Lighting benefits from our Daylight Wavelength TechnologyTM and SeriousAirTM benefits from multi-patented  D-Orbital Nano Oxide (DNO) TechnologyTM.

Life-changing SeriousAirTM products are brought to you through the combined ingenuity and innovation of two high-tech British companies working in close collaboration. The products are manufactured outside the UK.

This is the equivalent of 10 football pitches of catalytic material and means that the critical Clean Air Delivery Rate (CDAR) is greatly enhanced. A CADR that cleans the air in a space ten times per hour will reduce pollution by more than 90% in under 15 minutes.