Honda Generator Air Filter EB2200X EB2500XK EM1600X EM1800X EM1800 EM2200X Replaces Honda p/n 17211-ZB2-000 Made in USA Replacement air filter for Honda generators using Honda p/n 17211-ZB2-000, including: All Years EB2200X All Years EB2500XK1 All Years EM1600X All Years EM1800X All Years EM1800XK1 All Years EM2200X All Years EM2500XK1 ... and GX120, GX160, GX200 using Honda part number 17211-ZB2-000. Check your application / visually ID filter prior to order to ensure you're getting the right filter. Honda used a few designs on the GX lines of engines. Filter is un-oiled; add 1-2 cap fulls of oil to the filter and squeeze/work it for a minute in the supplied bag, then install.