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