Air Filter - 5448054-03Spare part for chainsaw from the Husqvarna spare parts catalogFits to model:Husqvarna 135Husqvarna 140Husqvarna 435Husqvarna 435eHusqvarna 440Husqvarna 440eJonsered CS2240Jonsered CS2240SMcculloch CS350Mcculloch CS390Mcculloch CS410