38 mm closure for 5 litre containers, 30ml dosage

.For accurate delivery of a wide variety of viscous products such as hand soaps, detergents, cooking oils, food relishes, waxes and cleaning chemicals. Standard closures 38mm 40mm, or 60ml. Can accommodate a multitude of larger plastic or metal lids and closures. Restrictor clip available to reduce the output of pump in 5ml stages.