Defend 400


Included 3 year warranty with 3 years’ worth of filters (2 replacement prefilters, 1 replacement carbon and HEPA)

The Defend 400 is a portable, free-standing air cleaning system designed for continuous 24/7 protection. Ideal for healthcare and commercial settings, it provides reliable airborne infection control, ensuring a safer and healthier environment around the clock.

**If you are purchasing for a school or government entity, or need more than 5 units, please call (513) 640-6007 directly.**



Introducing the Defend 400 (NV 400), a state-of-the-art air cleaning system that sets a new standard in air disinfection and particle removal. Utilizing patented NanoStrike™ technology, this system is enhanced with a triple-stage Camfil® filter system, delivering unmatched performance in maintaining clean, safe air.

Designed as a free-standing, portable unit, the Defend 400 is perfect for continuous 24/7 operation in healthcare facilities and various commercial environments. Its primary purpose is to ensure airborne infection control, providing a reliable solution for protecting both staff and patients.

The Defend 400 holds FDA clearance as a Class II Medical Device, confirming its effectiveness in filtering out and inactivating airborne viruses and bacteria in medium to large rooms and indoor spaces. This clearance underscores its suitability for medical settings, where maintaining a sterile environment is paramount.

Beyond its medical-grade capabilities, the Defend 400 excels in purifying air from a wide range of contaminants. It effectively inactivates aerosolized viruses, bacteria, and fungi, and it removes pollen, particulate matter (PM), volatile organic compounds (VOCs), and odors from the air. With proven efficiency, it significantly reduces the presence of harmful airborne pathogens and pollutants, ensuring a healthier indoor environment.

Experience the power and reliability of the Defend 400 – your essential solution for superior air quality and comprehensive airborne infection control.

Download full product specifications (PDF)

*3 Year Warranty Included