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Air quality measurement apparatus, namely, particle counters; electric air quality sensors for smart homes; Smart home air quality electronic devices for environmental monitoring, namely, electric air quality sensors that monitors air filter status and automatically orders replacement filters when needed; Computer hardware; Downloadable software in the nature of a mobile application for operating, controlling and monitoring air filtration system

Air filtering units; home air filtration system comprised of an air purifier, air filtration cartridge, UV decontamination device, and mechanical HVAC air filter; internet connected home air filtration system comprised of an air purifier, air filtration cartridge, UV decontamination device, and mechanical HVAC air filter; internet connected home air filtration system comprised of an air purifier, air filtration cartridge, UV decontamination device, and mechanical HVAC air filter that monitors filter status and automatically orders replacement filters when needed; Air filters for domestic use; air filtration systems composed of high-efficiency particulate air (HEPA) air filters for household use