Description 3.5-Gallon Tri-Poxy tank for durability and a 4-inch wide mouth opening for easy filling and cleaning Compatible for most professional concrete applications, suitable for homeowners too (check chemical manufacturers instructions) Professional dripless shut off with Comfort Grip lock on/off feature, brass wand and nozzle Chemical Resistant seals and gaskets designed to handle a variety of chemicals (check chemical manufacturers instructions) Unique Tri-Lock seal feature that locks the pump cap tight Product Description The Chapin Industrial Concrete Sprayer has a 3.5-gallon tri-poxy lined steel tank that provides triple protection against rust, corrosion and damage from denting. Featuring a large 4-inch mouth opening for easy filling and cleaning, professional dripless shut off with Comfort Grip lock on/off feature, brass wand, brass nozzle, reinforced hose with threaded fittings and chemical resistant seals for most concrete sealer applications (check chemical manufacturers instructions before use). Our open head tanks have a unique Tri-Lock seal that insures the pump cap locks tightly into place. We also offer full technical support via our Customer Service Team at 800-950-4458 and product information at chapinmfg.com From the Manufacturer Our residential, professional and industrial sprayers are designed to meet the needs of your lawn, garden, home, farm, professional, or commercial project. With a focus on innovation gained through industry knowledge, Chapin products have been manufactured with excellence in the United States using global components for more than 130 years. We offer full technical support at 800-950-4458 to help you find the right sprayer for your application or visit our website at chapinmfg.com for more product information and specifications. Chapin, the way to spray since 1884.