This Silent-Comfort Ultra-Quiet HEPA Air Purifier from Honeywell features No Draft airflow technology which effectively and quietly cleans the air without producing a cool exhaust draft. Patent-pending ultra-quiet high speed operation combined with a True HEPA filter makes Honeywell the #1 Choice of Physicians. Ideal for Medium-Large bedrooms and family rooms up to 11' x 17'.

Enviracaire 18225 Features and Benefits:

• Advanced Airflow Design-for ultra quiet high-speed operation.
• Recommended for a 11' x 17' room, 6 air changes per hour.
• True HEPA filter helps capture 99.97% of airborne particles and allergens as small as 0.3 microns from the air.
• SurroundSeal HEPA filter technology helps prevent unfiltered air from leaking around the HEPA filter.
• Large filter area for long filter life and low maintenance.
• Advanced Carbon prefilter helps reduce some household odors, and captures larger particles, protecting life of the HEPA filter.
• Intelli-Check Electronic Filter Change Indicators: Monitors prefilter and HEPA filter usage and indicates time to replace filters.
• Easy-to-Use soft touch electronic controls with power lights.
• Convenient carrying handle.
• Clean Air Delivery Rate (CADR) for tobacco smoke: 150.
• 3 fan speeds.
• Universal replacement carbon pre-filter #38002 (Replace at least every 3 months).
• Replacement HEPA filter #21610 (Replace every 1-3 years, depending on use).
• 5 year limited warranty.