The Flowtron Hydroven 3 System is designed to assist in compression and sequential therapy. This product is designed to combine the features from the old Flowtron and the Flowplus into one pump. Hydroven Garments are designed to offer a simple, yet effective, form of compression therapy to those who want to increase blood flow in their arms or lower legs. These garments are designed with a quick-pull pressure ring along with a zip closure for easy on and off application.