WestPak 10-0507 Blow Mold Injection Sprayer 8-1 Includes 5 qt blow mold jug Sprays at pressures between 75 to 500 psi Meters chemical at 8 to one. Can be adjusted to spray at 4 to one (recommended for pressures under 150 psi) Used pressure from your carpet cleaning machine, truckmount or even just sink pressure. Fixed Ratio (8:1) sprayer with hose and spray gun. High pressure spray gun handle. High pressure flexible hose. Quick connect for hose to handle connection. Designed for 'two-hand' operation. Hold spray gun in one hand and the bottle in the other. Brass quick disconnects. 100 mesh inline filter. Cushion grip handle with velcro bottle strap. Forged brass metering injection block. Replaceable metering jet and components.