Air Filter Replace 17211-ZB2-000.
Fits Honda Generator EB2200X EB2500XK1 EM1600X EM1800X EM1800XK1 EM2200X EM2500XK1
GX120K1 GX120U1 GX120UT1 GX160K1 GX160RT2 GX160T1 GX160U1 GX160UT1 GX200 GX200RT2
GX200T GX200U GX200UT.
Size Perfect Fit: 3-1/8" Width x 5-3/8" Length x 1-1/4" Height.