Compression Box Pump W Hose for Thermo Active Supports Jobst Relief 20 30 Thigh Hi 8 convenient height adjustments * Color:Blue 8 convenient height adjustments * 360 degree pivoting head * Freestanding design * Anodized aluminum shaft * Easily folds down for storage * Wrist strap and travel bag included * Handle Height 30 System includes: TENS 7000TM device One (1) pair of lead wires four self adhesive reusable electrodes 9V battery hard plastic carrying case quick start guide and instruction manual Compliance Meter: stores 60 records up to 999 hours Power Source: 9 volt battery Modes: Burst Modulation Constant MRW SD1 and SD2 Channels: Dual channel for use with two or four electrodes Timer: Variable 5 60 minutes or continuous Replacement pump to be used with our #5592 series of supports