Product: PB250 Carburetor and Air Filter Set (Carburetor replacement no. A021003661) Key benefits Restore and improve performance: Optimizes engine airflow and fuel delivery for your ES 250 leaf blower, helping it run stronger and more consistently during leaf removal tasks. Reduce downtime and maintenance: A properly matched carburetor, air filter and fuel lines reduce clogging and fuel-related issues so you spend less time troubleshooting and more time working. Durable for demanding use: Carburetor and fuel lines are built from robust materials to resist wear and maintain reliable function under regular, heavy use. What it does Replaces the carburetor and air filter components to restore proper fuel-air mixture and improve suction and debris removal. The airflow-oriented design improves intake efficiency, allowing cleaner, faster removal of leaves and light debris while reducing engine strain. Compatibility and fit Specifically compatible with PB 250, PB 250LN and RB K106 models and designed for the ES 250 leaf blower family. Matches carburetor replacement number A021003661 for a correct, secure fit. Key attributes Function: Carburetor and air filter replacement set with associated fuel lines to restore engine performance. Compatibility: PB 250, PB 250LN, RB K106; fits ES 250 series equipment using carburetor replacement no. A021003661. Materials: Constructed from durable, wear-resistant materials suitable for routine and demanding outdoor use. Performance: Improves airflow and fuel delivery for more efficient debris removal and more reliable starting and operation. Practical use scenarios Homeowner seasonal cleanup: Replace a worn carburetor and air filter before autumn to restore power and prevent stalling when clearing wet leaves from driveways and gutters. Landscape contractor daily use: Keep a spare set on hand to quickly service PB 250 or PB 250LN machines on site, minimizing downtime between jobs. Equipment maintenance in dusty environments: Install the set after exposure to heavy dust or dirt to prevent clogged filters and maintain consistent blower performance. What to expect A targeted replacement that restores original fit and function for compatible models, improves engine efficiency, and extends the useful life of your blower when installed and maintained correctly. Note: Ensure correct installation and follow manufacturer guidelines for tuning and adjustments after installing the carburetor and fuel lines.