Active Air Pre-Filter for ACCF246, 6" x 24" grain coarse grade perlite

coarse grade perlite

this medium gives you optimal absorption and drainage

flat panel

magnesium and more

Another benefit of the drain grooves is the limited contact surface with the ground

Active Air Pre-Filter for ACCF246, 6" x 24" grain coarse grade perliteDescription 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