Air filtering, disinfecting, and purifying systems and components for use and installation in heating, ventilation, and air conditioning (HVAC) systems, namely, air filters and ultraviolet lights sources for disinfection; Portable air purifiers; Air filtering, disinfecting, and purifying components, namely, ultraviolet light sources and filters comprising ultraviolet light sources for installation in portable air purifier systems; heat pumps and energy recovery ventilators for installation in...