AIR FILTER COMPATIBLE WITH : STIHL Hedge Trimmers: HS 81 R, HS 81 RC HS 81 T, HS 81 TC, HS 86 R, HS 86 T Height in mm: 18,00 Air Filter Design: Flat Width in mm: 80,00 Length in mm: 85,00 STOCK NUMBER: 176-924 ORIGINAL CODE: 4237 141 0300 CZ