Data Sheet Fan Filter, 3-Piece Contains: 1 UL94-V0 Plastic Base (that attaches to the fan) 1 Nylon Fiber Synthetic Resin Filter 1 1 UL94-V0 Plastic Cover Features: 35PPI Rating Additional Model #'s 225-77-FF92 225-77FF92 77-FF92 77FF92 UPC: 768249210474
