General description 10 Pack Air Filter for Stihl 4180-141-0300B is designed for various STIHL brush cutters and accessories, ensuring optimal performance and longevity. Technical specifications Model: 4180-141-0300B Dimensions: 3" long x 2-3/4" wide x 7/8" high Weight: 3.84 oz Compatibility and accessories Compatible with STIHL models: FS89, FS89R, FS91, FS91R, FS111, FS111R, FS131, FS131R, FS311, FR131T, FC91, FC96, FC111 Also fits: KM91R, KM111R, KM131, KM131R, BT131, HT102, HT103, HT132, HT133 Usage High-quality factory filter that meets OEM standards Packed individually for easy storage