EcoAir AVS Air Steriliser - Protect Against Airborne Virus and Bacteria Including SARS-COV-2. The EcoAir AVS Air Steriliser is the new standard in air sterilisation. Protects against viruses and bacteria instantly in a single pass (0.01 second), surpassing ION systems (30 seconds), UV-C (9 seconds), and Ozone (20 hours).