Requires enough room behind the spa to accomodate the spa cover being angled over - typically 0.6m
Brackets slip under the spa - no cabinet mounting.
Cover Rock It can be used on square and rectangular shaped spas.
(can be used on Octagonal or round spas however the mounting plate would need to be Dyna bolted to the concrete.
When installed in contact with the ground, this cover lifter requires an earth bond installed by a qualified electrician