Description Zep D-4000 Heavy-Duty Plus Dispenser – Manual – 1 gal Capacity – Heavy Duty, Durable, Corrosion Resistant, Rust Resistant, Abrasion Resistant, Ergonomic Handle – Metallic Gray, Blue – 1 EachDispenser features a durable construction made of anodized aluminum and reinforced nylon for a sturdy, versatile unit that’s nearly indestructible. Stainless steel pumping mechanism is resistant to corrosion, rust and abrasion. Four-position, adjustable volume output delivers the right amount of product every time. Ergonomic handle allows hand, wrist or forearm dispensing for easy access.