Aircast Cryo Cooler & Tubing Diagnostic Sets 18 x 18 * Designed 14804 18 x 18 * Designed to provide a comfortable functional and stable sitting environment * 3 poly vinyl interconnected air cells are easy to setup inflate and adjust * Easy to handle and transport: weighs only 1 lb * Includes pump and patch repair kit * Includes a reusable washable cover * 12 month limited manufacturers warranty * *Dual Independent Channels *Adjustable timer on standard and digital units *Adjustable Frequency and Pulse Duration parameters *Basic and Standard units feature three modes: Burst Normal and Modulation *Digital units feature 5 modes: Burst Normal Modulation Rate and Width Strength Duration and Bi Pulse * Digital unit has easy to read LCD Display and convenient digital controls Cooler & Tube Assembly Only * Cryo Cuff cooler holds water and ice needed for 6 to 8 hours of cryotherapy * Compatible with all Cryo Cuff and Artic Flow pads * Includes tube assembly and insulation disk * Indication: To be used in conjunction with Cryo Cuff to provide compression and cryotherapy to afflicted area * Cooler hanger enables cooler to be hung from a bed rail