2287, 25040637, 42287, 84697S, 87287, 93287, A23139, A780C, AF2287, AF516, AF587, AF965, AFR8965, CA3325, FA-718, HA40022, HA526, LA863, LAF965, N1805, P524367, PA2483, QSA3325, WGA659. Air filter Laboratory Tests per ISO 5011: Minimum efficiency of 99.9% contaminant removal.