Apollo Automatic Head Pump - Clear

"The best head pump we have ever tested...it will blow your mind!" â   The American Pumpers Association. Easy to use, incredible suction with automatic pressure control with the push of a button. Auto start/stop button. Quick air release button. Ergonomic hand-held controller with push button controls. Easy to read LED display measures PSI vacuum inside compact cylinder. Flanged base for a secure seal. Body safe donut. Materials: PC (cylinder) ABS with PU Cote (controller) TPR (donut) Silicone (hose). 4 AAA Batteries Required (Not Included). Dimensions: 4" x 2"/10.25 cm x 5 cm (cylinder)