Air Filter (Felt) for Husqvarna 61, 66, 181, 266, 281, 288 Go to amazon.com Related posts How to buy the best husqvarna 266 chainsaws? FeatureAIR FILTER (FELT) 61 66 266 181 281 288 DescriptionHusqvarna 501 80 71-05 OEM Air Filter (Felt) for Model 61, 66, 181, 266, 281, 288 Chainsaws 501807105