Diaphragm valve with vertical design. Adhesive or liquid is fed under pressure into the fluid housing, the diaphragm opens to allow flow to the tip. Adjustable stroke control for fine tuning. Teflon head and diaphragm. Make rapid dots or controlled beads. For Cyanoacrylates, primers, solvents, inks, oils, anaerobics. Comes with airline hose and fittings kit. Use with any pressure pot or cartridge system.