Oregon 30-074 Air Filter-Briggs & Stratton Fits 284H07, 285H77, 286H77, 30E707,31E777, 31F707, 31F77 & 31H777 serises engins For 14-17.5 HP, I/C, Intek, OHV, & AVS Use Oregon 30-076 foam pre-cleaner 9" L x 3-1/8" W x 1-1/2" H