The Visigoths invaded Italy under Alaric I and sacked Rome in 410. After the Visigoths sacked Rome, they began settling down, first in southern Gaul and eventually in Spain and Portugal, where they founded the Visigothic Kingdom and maintained a presence from the 5th to the 8th centuries AD.
Hazardous Ozone-Generating Air Purifiers. This page last reviewed March 9, 2015. Not all air-cleaning devices are appropriate for home use â some can be harmful to human health. The ARB recommends that ozone generators, which are air cleaners that intentionally produce ozone, not be used in the home.Ozone is a gas that can cause health problems, including respiratory tract irritation and breathing difficulty (Ozone and Health).he ARB recommends that ozone generators, which are air cleaners that intentionally produce ozone, not be used in the home. Ozone is a gas that can cause health problems, including respiratory tract irritation and breathing difficulty (Ozone and Health).
Fact â There are air purifiers that produce ozone, but RxAir is NOT one of them. RxAir uses non-ozone producing UV-C that prevent ozone emissions. RxAir is NOT an ionizer. An ionizing air purifierâs corona discharge produces ozone, a known irritant of the lungs and respiratory system.ow UV Air Purifiers Work. The key factors to the effectiveness of UV light at inactivating pathogens are: 1  Length of time to which the pathogens are exposed to the UV-C light. 2  RXAIR uses a powerful fan to bring air in, but then it uses its patented Viratech technology to slow the air down once in the kill chamber.