The 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 properly supported, reducing the risk of back pain and discomfort. The Asynchro seat mechanism allows you to adjust the seat angle and height to your liking, further enhancing your comfort. Invest in the Maxi Ergo Chair and enjoy a comfortable, productive workday every day.