Woot offers Ryobi ONE+ 18-Volt Lithium-Ion Cordless Mister (Tool Only) for $14.99 (orig. $69.99) free shipping with Amazon Prime.

Product Description:
Enhance your RYOBI 18V ONE+ System with the 18V ONE+ Fogger. Thepowerful motor provides a spray distance of 15’, covers up to 1,000 sq.ft. per minute, and sprays up to 10,000 sq. ft. per charge. Experienceexceptional performance with just the pull of a trigger. The ½ gallontranslucent tank is ideal for use with herbicides, insecticides,fungicides, and most other lawn and garden chemicals. Easily transportthis fogger from one job to the next with its lightweight, portabledesign. Utilize your fogger all year long with a spraying solution forevery season. Best of all, it is part of the RYOBI ONE+ system where any18V ONE+ battery works with any 18V ONE+ product. This 18V ONE+ Foggeris backed by the RYOBI 3-Year Manufacturer's Warranty and includes P280518V ONE+ Multi-Purpose Fogger and Operator’s Manual. Battery andcharger sold separately.