Active Air Pre-Filter for ACCF3912, 12" x 39" spl_cg Athena Bloom is a simple

Athena Bloom is a simple and clean 2-part formula designed for the flowering stage of growth for fruit and flower-producing plants

then blended and ground to a 14 mesh size

TTT 1900 Nets - 1/4" Mesh

while also keeping you safe from particulates

Active Air Pre-Filter for ACCF3912, 12" x 39" spl_cg Athena Bloom is a simpleDescription Active Air Pre filter: Extend the effective life of your Active Air carbon filter with a corresponding Active Air pre filter. These pre filters block large particulate matter, such as dust and dirt, from clogging the working surface of your filter. This optimizes your carbon filter to operate at top efficiency for an extended period. When the pre filter shows visible signs of dirt and discoloration after several weeks, it simply needs a