ArjoHuntleigh Flowtron Hydroven™ FPR Full-Leg Garment 28" L, 26" Upper Thigh Circumference, 20" Ankle Circumference, Sequential, For Flowtron Hydroven™ FPR Pump Hydroven™ three-chamber arm garments provide sequential compression. Can be used with hydroven inserts. Single tube snap-lock connection for simple set up.