Active Air Pre-Filter for ACCF144, 4" x 14" microbes 0 version offers a more

0 version offers a more consistent flow rate

For seed germination and plant propagation

Sooty Mold

this is ‘Everything You Need In One Box’

Static Pressure: 7

Active Air Pre-Filter for ACCF144, 4" x 14" microbes 0 version offers a moreDescription Extend the Effective Life of Your Active Air Carbon Filter: You can do this by using a corresponding Active Air pre filter. These pre filters are designed to block larger particulate matter such as dust and dirt from clogging the working surface of your filter. This enables your carbon filter to operate at top efficiency for much longer. When the pre filter becomes visible dirty and discolored after several weeks, it can simply be