HIPA Air Filter / Cleaner for STIHL 034 036 MS340 MS360 Chainsaw # 1125 120 1612 with detailed Sizes Replace manufacturer part number: 1125 120 1612 Fitment models: STIHL 034 036 MS340 MS360 chainsaw Caution: there are 2 kinds air filter If your machine serial number is before 1 45 945 204 (08.2000), you will need 1125 120 1610 filter A picture of the 2 different air filters is provided, the one we sell is for later chainsaws