Just got back from Walmart. They are clearing these sprayers out.
RL Flo-Master 2-Gallon Sprayer $3.50
http://brickseek.com/walmart-inve…u=133763
RL Flo-Master 1-Gallon Sprayer $2.50
http://brickseek.com/walmart-inve…u=133763
Bonus:
Chapin HOMEPRO Home & Garden Sprayer – 4 Gal Backpack Fertilizer, Weed Killer, and Pesticide Sprayer $27
http://brickseek.com/walmart-inve…u=555030