STIHL COMPATIBLE AIR FILTER FOR MODELS: BT120, ST120C, FR350, FR450, FS120, FS200 FS250, FS300,FS310,FS350,FS400,FS450 Height in mm: 25,00 Width in mm: 69,00 Length in mm: 87,30 Product ID: 170-235 Original Code: 4134 141 0300 STIHL VR