NO LEAK TANK – With hydraulic agitation, the Backpack Sprayer easily handles liquid. 5.7 Gallon (16L) capacity made from high-grade polyethene plastic to resist corrosion from solvent. The comfort-grip handle has a shut-off valve, so you can rest your hand while keeping a constant flow. Lightweight and conveniently worn on the operator’s back like a backpack for maximum portability and ease of use 4 interchangeable nozzles for different spray patterns, including fan, conical, dual conical and 4-hole nozzle patterns. Comes with a heavy-duty 5-foot hose and 19-inch stainless steel rod spray rod.