Stainless Steel Hand-Pumped Sprayer (2 Gallon) Stainless steel construction with Viton gaskets and seals. 0% plastic. Hand-pumped sprayer: No recurring energy costs, environmentally-friendly and wire-free. Curved spraying wand: Spray into the spaces under, between, and above objects, with almost no effort. Replacement parts: Fast shipping from U.S. parts supplier.