PowerPress DVT Prophylaxis System Mattress Overlays Toppers call for details * One Select Ear:Left Ear call for details * One piece stainless steel handrails with bumper ends * Uprights are ultra heavy telescoping steel tube * Adjustable height and width * Height controlled by spring loaded plungers for easy adjustment * Any play is eliminated by a second knob at each upright * Platforms have durable satin topcoat and solid hardwood ends * Safety treads at both ends on platform models * Microprocessor control unit ensures synchronous operation of all four columns after the first) * Cycle time: 15 sec deflation (approx) * Pressure: Foot 80 mmHg Calf Thigh 40 mmHg (approx) *