BestAir Original Expandable Wick Filter for portable humidifiers. Proudly made in the USA. A filter compatible with evaporator type humidifiers. Extended life, antimicrobial wick. Up to 150% stronger due to aluminum reinforcement. Chlora-clear technology with vitamin C, helps to remove chlorine in the air. For best performance replace 2 times every heating season, see owner’s manual for specific installation instructions. Includes one filter.

BestAir Original Expandable Wick Filter for portable humidifiers. Proudly made in the USA. A filter compatible with evaporator type humidifiers. Extended life, antimicrobial wick. Up to 150% stronger due to aluminum reinforcement. Chlora-clear technology with vitamin C, helps to remove chlorine in the air. For best performance replace 2 times every heating season, see owner’s manual for specific installation instructions. Includes one filter.