Jensen Global JGDF25V Foot Valve Syringe Dispenser purely pneumatic valve pedal that includes a built-in regulator and gauge to control the flow of material, and a simple step-to-activate design built inside a protective housing. The back of the unit has a 1/4" female thread with a standard male quick connect included. The foot pedal has a syringe adapter inlet port built-in to fit standard 1/4" OD tubing plus a reducer adapter to accept 5/32" OD tubing. The JGDFV25V is offered with a built-in vacuum venturi regulator which allows pullback of material into the dispensing tip, reducing dripping and stringing of the material. It has all the same features of the JGDFV25 plus the vacuum feature.