Noah LLC innovates portable air purifiers, room air sanitizers and personal air purifiers, which utilize HEPA filtration. These powerful, professional grade air cleaners are trusted by immunosuppressed individuals and those with allergies and asthma. They are also ideal for airplane travel, use polluted cities, medical offices, industrial settings and high threat workplace settings. Noah LLC also offers CR123 and rechargeable 18650 lithium battery technology. NOAH LLC was formed in 1998.