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TTT 1900 Nets - 1/4" Mesh
then blended and ground to a 14 mesh size
This item will ONLY ship via UPS Ground
which go into maintaining higher yields
Active Air Pre-Filter for ACCF3912, 12" x 39" spl_cg TTT 1900 Nets - 1/4"Description 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