Chapin Dripless Xtreme Poly Concrete Open-Head Sprayers Tri-Poxy tank for durability. Featuring a large 4 in-wide mouth opening for easy no-mess fill and cleaning. Sseals and gaskets designed to handle a variety of chemicals. Brass pump, wand, nozzle, and shut-off with lock-on feature. Compatible for most professional concrete applications and extreme chemicals, including Acetone Pack of 1