Defender
Better-than-HEPA Filtration
Proven Effective Through Laboratory Testing
Doctor Recommended
Recognized by the FDA as a Class II Medical Device
Energy Efficient
Quiet, 24-Hour Operation
3-Speed Programmable Operation
Change Filter Indicator Light
Secure Seal Technology
Pure Top Release
Certified to ISO Standards (ISO 9001 and ISO 13485)
Does Not Produce Ozone