HIFROM TM Aftermarket Air Filter For HUSQVARNA CHAINSAW 288 281 61 66 266 181 NEW PARTS # 501 8071-01 501 8071-05 1. HIFROM High quality brand new aftermarket parts 2. Fit Husqvarna 288 281 61 66 266 181 3. This is non original aftermarket parts, please check the pictures for compatibility before buy it . 4. Replace PARTS # 501 8071-01 501 8071-05 5. HIFROM air filter from Professional Factory; Professional technical support; if you unsatisfy, can return no risk