Features & Benefits
• Available in three sizes (5”, 9”, 14”) to accommodate blower sizes from 300-18,000 CFM
• Reduces bacteria, mold, viruses and odors
• Unlike portable units that are limited to the room in which they are placed, the Guardian QR+ provides whole home and building purification.
• Easily integrated with your existing HVAC system, the unit doesn’t take away living space and operates silently.
• PHI can reduce sneeze germs by 99% by the time the sneeze has reached three feet.
• Low maintenance: No costly filter changes, all you need is a PHI-Cell® replacement every 2 years and only takes 5 minutes.
• The Guardian QR+ has a quick-release feature for easy, no tool cell replacement. Note: It is recommended these units be installed by a licensed electrician or HVAC contractor.

Applications
• U.S. Military approved for mold reduction in field hospitals.
• U.S. and International Hospital approval for the fight against infectious disease: 99% reduction of Staph (MRSA)
• Major U.S. city school reports 20% reduction in absenteeism
• Tested and approved by the Chinese government for protection against the deadly SARS virus.
• Approved by the USDA, FSIS, and FDA for use in food processing plants. Employed to reduce microbial contamination of food being processed.
• Cruise lines use it as a safety measure against Norwalk Virus outbreaks.