Classic 3500 Series Heavy-Duty Replacement Sleeper Sofa Mechanism with 6" Innerspring Mattress Package Size:60" push a button and the

push a button and the power base will help you into a standing position

HDPE (High-Density Polyethylene) is an extremely tough plastic that has high rigidity

A breather was added for fast

As an added check

Classic 3500 Series Heavy-Duty Replacement Sleeper Sofa Mechanism with 6" Innerspring Mattress Package Size:60" push a button and theReplace damaged, rusted, worn out, or unsafe sleeper units with a new Made in USA Replacement Sleeper Sofa Mechanism which features squared tubular construction that's safe, strong, and well designed. When sleeper sofa mechanisms break, they can become uncomfortable, non working, or worse, dangerous. Wallace Flynn offers many different replacement sleeper sofa mechanisms. Repair it, don't replace it. If you're unsure, don't hesitate to get in touch