Uvonair UV-80HUVONAIR UV 80H The Uvonair UV 80H is an in duct ozone generator that uses ultraviolet, rather than coronal discharge, to produce ozone to neutralise grow room odours as well as eradicating harmful bacteria, moulds and micro organisms. Designed to be used with an 8 200mm extraction of a fan, filter and ducting, the Uvonair UV 80H will produce 135mg of ozone when on low setting (1 bulb) for rooms of up to 5000 cubic feet or 270mg of ozone when on the