Hitachi 6690335 Air Cleaner Element B Comp For CS33EL CS38EK CS38EL CS40EK CS40EL CS45EL ECV-3500 ECV-3800 ECV-3801 ECV-

The product code HIT6690335 refers to a Hitachi HiKoki Aircleaner Element B Comp. (component), which is an air filter part used in certain models of Hitachi engine chainsaws

Compatible Models : 
Hitachi/HiKoki: CS33EL, CS38EK, CS38EL, CS40EK, CS40EL, CS45EK, and CS45EL.
Tanaka: ECV-3500N, ECV-3800, ECV-3801, ECV-3900, ECV-4500, and ECV-4501.