Purchased several years ago and very happy with that first chair and everything worked as expected. Ordered a new chair this year for family member and it did not extend or lower and received without the upgraded wheels we paid for. Contacted customer service and have not been able to get anywhere with repairing chair or getting the upgraded wheels we paid for. Realize this is refurbished, but paid a lot of money for this to work out of the box. Customer service asked me to remove covers and send pictures, but then does not follow up at all and eventually stop responding. Horrible customer service from once a reliable company. They have gone down hill!