Red 42mm Foam Filter Straight Neck GY6 150cc Scooter ATV Motorcycle Spare Parts Fit For GY6 150cc scooter ATV For standard 42mm straight carb neck double-layer foam effectively traps fine dust trail debris to engine Optimized porosity preserves airflow without sacrificing motor Tight straight rubber seal leaks to stabilize engine combustion Easy to disassemble, wash reuse for long term