Honda Air Filter Combo 100-784
Honda code 2893881/5247408/7372444/370968
FITS MODELS:
GX140-GX200, GX110 (cyclone) and GX120 (cyclone)
2 7/8'' (73mm) W x 4'' (101.6mm) L x 2 3/4'' (69.9mm) HT
Pre-filter include 
Uses ST4165851 wing nut