Echo OEM Air Filter for CS440, CS450, CS510, CS520, CS530, CS4400 Chainsaws

Echo OEM air filter. Cartridge air filters are the best air filtration system available for Echo chainsaws. Some older saws can be converted to this style. These filters work well in almost all conditions and they excel in dry, dusty conditions. These are oil-less filters and they usually last a while. We recommend keeping an extra on hand.