Quadtro Select Wheelchair Cushion 20 x 16 x 4.25 Mirrors 8 Deep * For use Jobst Ultrasheer 30 40 ThighHi 8 Deep * For use in the prevention and treatment of decubitis ulcer * The quiet high volume pump produces 8 LPM of pressure * Special vibration isolating features insure that the patient rests easily * LED indicators provide critical performance data and alert caregiver when pressure falls below 10 mmHg * Easy to replace individual bladders * Mattress has 20 air bladders 9 with laser cut low air loss function to increase patient comfort helps keep the patient cool and speeds recovery * Quick fill adapter and carry bag standard * Spring lined air tubes prevents kinks and disruption of air pressure * CPR valves provide fast (20 second) release of air from the mattress * 8 cells are constructed with Nylon 50% TPU that is firm and heavy weight * The Nylon TPU cover material is heavy weight water resistant vapor permeable has a fiber quilted bottom and is machine washable to provide protection and comfort * The cover attaches to the mattress with snaps * 80 L x 36 Wx 8 H * specifications * Power: 110 VAC 60 Hz * Pressure Range: 30 mmHg to 80 mmHg (inner pressure of mattress) * 8 LPM air pressure * 10 min cycle time * 10 foot power cord * 11 x 5 x 3 Function: Heart rate measurement Measure pulse to measure blood pressure * 3 year limited warranty