Compression Sprayer 1.2 Litres - The DuckAll prices inc VAT and postage A small hand held 1. 2 Litre capacity compression sprayer capable of delivering 3 Bar pressure (45 PSI). This sprayer, known as The Duck, is the hardest working handheld sprayer on the market. It is a robust small hand held 1. 2 Litre capacity compression sprayer capable of delivering 3 Bar pressure. Fill the hand Sprayer with Equine Bio Fluid and you can disinfect your stable in minutes, or spray down your transport,