The SP-5N is a portable spray unit, designed for use with a variety of chemical products. Features: - Draws from pre-mixed solution - Powered by compressed air - Holds up to 5 gallons (22 liters) of solution - Hinged back plate provides tool-free access to components - Quick-change pump - Natural color tank for easy visibility of product levels - Integrated hose wraps - In-line strainer to protect pump from debris - Pull-out handle for portability Options: - Pump seals: Santoprene (standard), Viton, or Kalrez. What's in the box? - Complete spray unit with discharge hose and wand - User manual