Worx WA4090 WORXAIR Gutter Cleaning Kit for WG540, WG545, WG565, WG575 (Discontinued by Manufacturer) Safely clean gutter debris while standing on the ground Up to 11 foot reach gutter cleaning tubs Easily assembled and designed to provide premium airflow Fits models: WG540, WG545, WG565, WG575 Series 120 mph air speed with 80 CFM air flow and less than 7 lbs.