Leisure Concepts Covermate 3 Deckmount Hot Tub Cover Lifter 

New/boxed but never used as moved house before fitting + Extended Pivot Arms. Pool & Spa Centre have these listed for £418. The CoverMate III DeckMount is reliable, sturdy and has superior operation with hydraulic arms making opening effortless. With an exclusive wind-lock system, it is the only one of its kind preventing the cover from closing during heavy winds and prevents damage to the hydraulic arms.Made from durable aluminium, a black powder coated finish and two large 25 inch non corrosive mounting brackets, the Deckmount is of excellent quality and is built for years of performance.The DeckMount version features mounting brackets that are directly attached to the deck making it perfect for sunken spas.6 inches of clearance is required behind your spa making it great for spas when clearance behind is limited. Extended Pivot arms and extended mounting brackets are also available for larger spasFeaturesLow Profile.Requires just 6 inches of clearance behind the spa.Black powder-coated aluminium tubing.Non-corrosive composite mounting brackets directly attached to the deck.Two large 25 inch mounting brackets for extra stability.Exclusive wind-lock system.Comes with the Towelmate towel hanger accessory, holding up to 3 towels or bath robes.