Air purifying units for removing viral, bacterial, chemical and particulate matter from the air circulated in in vitro fertilization facilities, clinical laboratories, medical laboratories, life sciences research laboratories, life sciences manufacturing facilities, medical facilities, long term care facilities and clean rooms for the life sciences; Air purification and filtration unit for in vitro fertilization facilities, namely, air purification and filtration units comprised of air purifiers and air filters for providing an ambient air environment optimum in supporting human embryogenesis, and for cell culture laboratories and medical environments requiring stable and pristine ambient air quality; In-room filtration units for removing biological contaminants, chemical contaminants, and particulates from the room air circulated in a healthcare facility, laboratory, manufacturing facility, cleanroom or long term care facility; Sanitizing apparatus using ultraviolet light for sanitizing personal protective equipment and manually operated tools, devices, and laboratory equipment in in vitro fertilization facilities, clinical laboratories, medical laboratories, life sciences research laboratories, life sciences manufacturing facilities, medical facilities, long term care facilities and clean rooms for the life sciences; Sanitizing apparatus using ultraviolet light for sanitizing wearable garments or equipment designed to protect the wearer's body from injury or infection, manually operated tools, devices, and laboratory equipment in in vitro fertilization facilities, clinical laboratories, medical laboratories, life sciences research laboratories, life sciences manufacturing facilities, medical facilities, long term care facilities, hospitals, and clean rooms for the life sciences