Hot Tub Compatible With Cover Mate III ECO Hydraulic Spa Cover Lift CMIII-ECO. For customers wanting a lower-cost hydraulic-assisted cover lift, this is a perfect option. Built with aluminum brackets rather than the composite brackets of the premier. This version delivers impressive performance without sacrificing quality. 

• This is for one Item
• Requires just 6 inches of clearance behind the spa and 5 inches on each side
• Full-length middle crossbar
• Powder-coated, aluminum tubing with easy-to-install, non-corrosive mounting brackets
• Works on spas up to 8 feet in length or width
• Available with extended brackets for spas with a corner radius larger than 12 inches