Aero-Pulse Pressure Pump & Pad: 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 Pad.