Air prefilter compatible with STIHL brushcutter models: FR 85, FR 85 T, FS 75, FS 80, FS 85, FS 85 RX, FS 85T, KM 85 STIHL hedge trimmer models: HL 75 K, HS 75, HS 80, HS 85 STIHL pruner models: HT 70, HT 75 MEASUREMENTS height in mm: 6.00 Air filter design: PREFILTER width in mm: 62.00 length in mm: 62.00 CODE: 176-518 ORIGINAL CODE: 4137 124 1500 CZ