Worx via eBay offers the Worx WorxAir Gutter Cleaning Attachment Kit for $18.49 with free shipping. That's a buck under our mention from four weeks ago and the lowest price we could find by $7. It features an 11-foot reach, 120mph stream of air, and is made to fit on Worx model numbers WG540, WG545, WG565, and WG575.