Easy-to-use body pump for customized controlled suction. Easy grip handle. Includes 3 cylinder sizes with soft, removable Silicone donuts. Flexible, non- crimping air hose with quick release purge valve. Disassembles for easy cleaning . With its flexible and non-crimping air hose, this body pump kit provides powerful and uninterrupted airflow. Phthalate Free. 

.5 in/1.25 cm (diameter - small cylinder) 
.75 in/2 cm (diameter - medium cylinder) 
1 in/2.5 cm (diameter - large cylinder)