Chapin's 1979 Industrial Concrete Sprayer is designed for the harsh concrete jobs. It's compatible for most professional concrete applications and extreme chemicals. The 1979 has a 3.5 Gal. Tri-Poxy lined steel tank for triple protection against corrosion, rust and damage from denting. It also comes with chemical-resistant seals and gaskets to handle a variety of chemicals. The hose is reinforced with nylon braid and a vinyl core to resist chemical attack, crimping, cracking and leaking. It has a brass pump, wand and 2 female brass fan-tip nozzles and shut-off with lock-on feature.