HQRP - 4-Pack Air Filter Replacement Replaces 4134 141 0300 - Compatible with Stihl FS120 FS200 FS250

Replacement air filter cartridge 4-pack designed to keep small engines breathing clean air during routine service and seasonal tune-ups. Replaces 4134 141 0300 / 4134-141-0300; compatible with Stihl FR350 / FR450 / FR480 / FR480C, FS120 / FS200 / FS250 / FS300 / FS310 / FS350 / FS380 / FS400 / FS450 / FS480, HT250, KM130 / KM130R, BT120 / BT120C / BT121 / BT121Z / BT130, MM55, SP90 / SP90T / SP200 / SP400 / SP401 / SP450 / SP451 / SP471 / SP481. The filter helps reduce dirt, dust, and debris entering the carburetor and engine, supporting airflow and smoother operation; a clogged filter can contribute to power loss, so check the filter when performance drops and replace as needed (recommended each season for consistent results). Dimensions: 3-1/2 in x 2-3/4 in x 1 in; verify your existing filter matches the shape and measurements before ordering to ensure proper fit and sealing. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.