Chapin's 1999 pump-free， compressor-charged， Industrial Concrete Sprayer has a pressure fitting for air supply. No need to keep pumping to create pressure. It's the perfect addition to your concrete equipment. The 3.5 Gal. Tri-Poxy tank is triple protected against rust， corrosion and denting and the 4 in. W mouth opening makes it easier to fill and clean. The chemical-resistant seals and gaskets are able to handle a variety of chemicals (check chemical manufacturer's instructions) and the unique Tri-lock seal ensures the cap locks on tight.

3.5 Gal. tri-poxy tank for protection against rust， corrosion and denting

4 in. W mouth opening for easy filling and cleaning

Brass fan spray nozzle for even coverage; threaded coupling for easy removal

Chemical-resistant seals and gaskets designed to handle a variety of chemicals (check chemical manufacturer's instructions)

Unique tri-lock seal feature that locks the cap tight and pressure relief valve

48 in. reinforced hose with threaded fittings

Pressure fitting for air supply

Poly holster keeps wand and nozzle secure