Ideal for rooms up to 374 square feet. Surround Seal filter technology helps assure virtually all of the air circulated through the air cleaner passes through the HEPA filter.

Enviracaire 13531 Features and Benefits:

• 99.97% true HEPA filter.
• Recommended for a 17' x 22' room; 6 air changes per hour.
• Patented 360 degree air intake and discharge for effective air cleaning power.
• Clean air delivery rate (CADR) for tobacco smoke: 287.
• Universal replacement carbon pre-filter #38002.
• replacement HEPA filter #24000.
• Three speeds.
• 5 year limited warranty.