Active Air Pre-Filter for ACCF246, 6" x 24" Aeromixer Synthetic Pro Edition You still have 15 days

You still have 15 days to replace it

The timers can be set-up to be recycling timers

Utilizes a PWM-controlled EC motor that results in quieter and more energy-efficient fans than most others

Avoid application in windy conditions or when rain is expected within 24 hours

Active Air Pre-Filter for ACCF246, 6" x 24" Aeromixer Synthetic Pro Edition You still have 15 daysDescription Extend the Effective Life of Your Active Air Carbon Filter: This can be achieved with a corresponding Active Air pre filter. These pre filters help in blocking larger particulate matter such as dust and dirt from clogging the working surface of your filter. This results in your carbon filter operating at peak efficiency for a much longer period. After several weeks, when the pre filter becomes visibly dirty and discolored, simply replace