About this item

• Triple-layer air humidifier filter helps control dust and dirt buildup inside humidifiers
• Baking soda layer helps remove household odors
• Antimicrobial protection inhibits growth of mold, mildew, and bacteria on filter surface
• Fits Holmes and Sunbeam humidifiers requiring filter B
• Filter replacement recommended every 4 to 6 weeks
• Improves efficiency of humidifier
• Extended filter life with help of reinforced outer layer