The Walmart near us has Misty Mates personal Misters on clearance. The had 16oz set for $12, 24oz for $14. They also had 8oz sets. andpatio systems. The systems hook in to a water line. But the personal set are water bottles that you pump and then press to relaese the mist. The were with the clearance stuff in the garden area.
Over 10 years of engineering and development yielded the Misty 8, part of the latest fleet of personal misters from MistyMate, with an all-new cutting-edge design years ahead of its time. With a fluid capacity of 8oz, the Misty 8 delivers ultimate micro-misting performance to keep you cool anytime in the sun or sand. This next generation hand-held personal mister has no motorized parts and requires no batteries. Instead, it pressurizes by hand to deliver a continuous stream of ultra-fine mist on command.
http://www.mistymate.com