HIFROM TM Replace New Air Filter For Chainsaw Stihl Ms660 Ms640 Ms460 Ms441 Ms440 066 064 046 044 084 088 (Pack of 5) 1. HIFROM New high quality aftermaket replacement parts 2. Fit for chainsaw models 066 MS660 064 ms640 3. This is the Non original aftermarket part, please check the size if it can fit on your chainsaw before buy it. 4. Package included:5pcs Air Filter 5. HIFROM air filter from Professional Factory; Professional technical support; if you unsatisfy, can return to our USA warehouse, no risk