M4 Valve Handle (ONE PIECE - COMPATIBLE WITH ACIDS AND BLEACHES) $4.99
(Video shows how to change the valve piston in 2 minutes)
This new M4 Backpack Sprayer replacement handle is one injection molded piece which makes it durable and simple to use. It fits both the HD Stainless/Brass Lance as well as the Plastic Acid Lance (SEE PICTURES - WANDS NOT INCLUDED). Handle includes lock to reduce fatigue.