Preferred™ EZ Flex Cabinet Air Filter (Best)

• MERV 10 efficiency (MERV 13 replacement filters available)
• Enhanced air flow design
• Upradable to an electronic air cleaner
• Easy-to-replace filter
• Protects heating and cooling equipment
• 10-year parts limited warranty upon registration

Preferred™ Electronic Air Cleaner (Better)

• MERV 12 efficiency
• Washable cells
• Enhanced airflow design
• Rugged power supply
• Easy maintenance
• 10-year parts limited warranty upon registration

Perfect Air™ Purifier (Good)

• MERV 15 efficiency
• Healthier, cleaner air
• No cleaning required
• Protects heating and cooling equipment
• 10-year parts limited warranty upon registration
• See the technology in action