Maxi Ergo Chair with Lumbar Pump Adjustable ArmsThe Maxi Ergo Chair with Lumbar Pump and Adjustable Arms is a must have for anyone who spends up to 8 hours a day at a desk. This chair is supportive and long wearing, ensuring that you stay comfortable and productive throughout your workday. The ratchet back allows you to adjust the backrest to perfectly fit your back shape and position, while the adjustable arms provide added support and comfort. The lumbar pump ensures that your lower back is