Air Filter Replacement for Echo PB580T / PB500 / PB500H / PB500T / PB580H — 5pcsAir Filter Replacement for Echo PB580T PB500 PB500H PB500T PB580H 5pcs Keep your Echo backpack blower running at peak performance with these OEM equivalent replacement air filters. Compatible with the Echo PB580T, PB500, PB500H, PB500T, and PB580H models, each filter is designed to maintain optimal airflow to the engine while blocking dust, debris, and fine particles that cause premature wear. The pack of 5 provides a full seasons worth of