Filter No.9-17912 fits 6,8,9,12,14,16 and 32 gal vacs with these model numbers. [prefixed by “113” or “125”] : 12004, 177000, 177321, 177621, 177800, 177970, 178880, 179281, 179492,12005, 177001, 177330, 177650, 177805, 177980, 178881, 179290,179510, 12006, 177010, 177331, 177660, 177810, 177990, 178890, 179340, 179570,12007, 177011, 177340, 177670, 177811, 178060, 178900,179341, 179590,12008, 177020, 177341, 177690, 177825, 178061, 179042, 179342, 179591,12009, 177021, 177360, 177700, 177830, 178080, 179100,179350, 179592,16825, 177030, 177370, 177710, 177835, 178081, 179140, 179351, 179640,17608, 177035, 177380, 177711, 177840, 178310,179141, 179360, 179650, 38907, 177040, 177381, 177720, 177841, 178311, 179150, 179361, 179670,38909, 177050, 177405, 177721, 177842, 178460,179151, 179370, 179672,170160, 177060, 177411, 177725, 177846, 178490, 179155, 179371, 179675,170170, 177070, 177415, 177730, 177860, 178491,179160, 179380, 179690,170190, 177080, 177420, 177731, 177865, 178492, 179161, 179411,179715,170250, 177100, 177431, 177735, 177870, 178510, 179170, 179420, 179720,170260, 177101, 177440, 177740, 177880,178520,179171, 179430, 179730,170330, 177120, 177441, 177750, 177881, 178521, 179190, 179440, 179740, 170340, 177130, 177460, 177751, 177890, 178522,179200, 179450, 179750.