Orotec Smart Portable Air Purifier with HEPA Filter & Night Light The Orotec Smart Portable Air Purifier with HEPA Filter & Night Light is perfect for making your home a safer environment for the family! With an interchangeable High-Efficiency Particulate Air (HEPA) filter with activated carbon to remove and knock out all those nasty smells, viruses, germs, allergens and other foreign matters lurking in the air. Perfect for the nursery, children's bedroom or home office, this purifier is great for hayfever or allergy sufferers!