PFF Series Replacement Filters For PF Series Filter Fans (Type 12 and 3R versions) Special patent pending fluted filter design increases the time between maintenance by 3X Allows for greater CFM in dirty environments Sold in Packs of 5 PFFT Series Replacement Filters For PTF Series Top Mount Filter Fans Standard synthetic fiber filter Sold in Packs of 5 Note: Top mount filter fan units have 4 separate filters per unit - replacement packs (PFFT Series) contain 20 individual filters which will service 5 top mount fan units You may be looking for our smaller synthetic mesh filters. See our XPFA and DNFF series for more filter specs.
Specifications
