https://www.homedepot.com/p/ECHO-High-Capacity-Speed-Feed-500-Trimmer-Head-99944200950/320474217
ECHO High Capacity Speed-Feed 500 Trimmer Head 99944200950 - The Home Depot
ECHO High Capacity Speed Feed Trimmer Head can be reloaded without disassembling. Easy to install with included hardware.
high capacityspeed feed