Scan® Ultrasound Gel, 1 Case of 4 Walker Accessories Pump Airflow 4 LPM * Autoclavable Up to 325 Pump Airflow 4 LPM * Pump Cycle Time 5 Minutes * Pump Type Compressor * Weight Capacity 300 lbs * 130 individual bubble cells for maximum comfort and effectiveness * Quiet pump alternately inflates and deflates the air cells * 4 LPM (liters per minute) pump produces consistent air flow and pressure over a 5 minute cycle time * Variable pressure setting on deluxe pump allows comfort setting for maximum comfort and compliance * Durable heavy gauge premium vinyl bubble pad provides superior therapeutic treatment * Built in bracket for mounting easily to bed * Warranty 1 Year Pump 90 Day Pad Recommended to aid in the relief of Osgood Schlatter Syndrome * The patella strap is reversible for inferior or superior applications * Improves patella tracking * Helps relieve pain * Improves allignment of the patellofemoral joint * Provides consistent and focused compression over the patellar or quad tendon * Fits up to 19 * Dispenser pump not included Exclusive dual viscosity formula allows SCAN to be applied as a gel and scan as a fluid