Medline's Aero-Pulse Alternating Pressure Pump and Pad reduces pressure using air pockets that alternately fill and empty. Each pad is made of anti-slip embossed vinyl and comes with 6 ft. of pre-attached tubing. Includes repair kit. Pad and pump can be purchased separately or together as a set. Medline's patented Aero-Pulse Pump, a vital system component, is engineered for reliable, trouble-free use. It operates quietly so patients are not disturbed; a lighted on/off switch signals the nurse that the unit is operating. Standard pad is made of 16-gauge vinyl, and is 41" x 68" deflated, 31" x 67" inflated. Six-month warranty. Standard Aero-Pulse Alternating Pressure Pump and Pad Set.