LOCOPOW 2 Pack Air Filter 4137-124-2800 and Pre Filter 4137-124-1500 Cleaner Replaces for Stihl FS76 FS80 FS80R FS85 FS75 FS85R FS85T FS85RX FC85 BG75 HS80 HL75K HT75 String Trimmer

Product Features Excellent filtration. Made of good materials. Prolong the engine life. Easy to install and directly fit. Air Filter Replace Part Number Stihl 4137 124 2800 Stihl 4133 124 2800 Pre-Filter Replace Part Number Stihl 4137 124 1500 Width: 2 3/8" Length: 2 3/8" Height: 1/4" Used On Stihl Models: Fits for Stihl FS74 FS75 FS76 FS80 FS80R FS85 FS85R FS85T FS85RX BG72 BG75 Fits for Stihl HS75 HS80 HS85 HL75 HL75K FH75 HT70 HT75 KM80 KM85 KM85R SP80 SP85 FC75 FC85 14187PF 14187F Important Note Not original air filter, this is air filter replacement, but meets or exceeds OEM quality, shopping with confidence. About After-Sales If the product have any quality problems, or if you received damaged product, don't worry, please feel free to contact our friendly service staff, we believe we will provide you a satisfactory solution with our kindly communication.