Dispenser with Adjustable Volume

The graduated clear TPX measuring cup slides up and down on the vertical polyethylene tube for easy adjustment. The variation in height changes the volume to be dispensed. The dispensed volume remains constant at any preset position of the cup. The cup is filled by squeezing the bottle and forcing the liquid up the tube. When the bottle pressure is released, the excess will be drawn back into the bottle, and only the desired volume will remain.