Between 7:30 A.M. and 5:45 P.M. E.S.T. One of our engineers or product specialists from our product support center will answer your questions about product design, specifications, use, care and maintenance, and product capabilities. Want to know how the controls work on an ergo chair, whether bleach can be used to clean vinyl chairs, or what kind of coils are used in box springs? We've got the answers. If we don't we'll get them!! And if your question takes additional research, we'll follow up and get back to you with an answer, probably the same day. To Reach the Technical Help Desk Call (800) 827-3168. You can also reach us via e-mail at pscnet@central.UNICOR.gov. We're waiting to help you.