The Roundup Professional Wand and Shut-Off 181795 features a lockable
shut-off to reduce hand fatigue, a nickel-plated brass poppet for strength and
precision, and an easy-to-clean, in-line filtration system. Shut-off has Viton®
seals for the best resistance to chemicals. The wand measures 21 inches in
length. Fits all standard backpack sprayers with 9/16 inch hose (including
Roundup, Solo, Chapin, SP, and Hudson brands).