HIFROM(TM Air Filter Replacement fit for Husqvarna 36 41 136 141 137 142 Chainsaw New 1. New high quality aftermaket replacement parts 2. Fit for 36 41 136 141 137 142 chainsaw 3. Replace part #: 530029811, 530-029811 4. This is the Non original aftermarket part, please check the size before buy it . 5. HIFROM air filter from Professional Factory; Professional technical support; if you unsatisfy, can return no risk