New Air Filter Fits Stihl FC55 FS38 FS45 FS46 FS55 HL4L HS45 KM55 Trimmer Edger $ 4.95 Default Title Add to Cart Please fill in the form below if you'd like to be notified when it becomes available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Replaces Models: FC55 FS38 FS45 FS46 FS55 HL4L HS45 KM55 Stens 100-681 Stihl 4140 124 280