Rust-Resistant & Durable: Our spa cover lifter uses black powder-coated surfaces for a stylish, elegant look, The combined with powder-coated steel and aluminum frames ensures that the hot tub cover lifter frame will last for years in the harshest climates..Hydraulic Cover Lifters for Heavy Duty Spa Cover: Hydraulic cover lifters help you easily open the tub cover to help you get more enjoyment out of your spa. You can easily open the bulky hot tub cover by yourself, taking off and putting on the spa cover effortless..Applicable Most Spa Hot Tub: Installs Easily on Hot Tubs width 96 "or less. Height with in 30-42". Our hot tub lid lifter design allows for installation on a variety of spa shapes and sizes..Easy to Install: The convenient undermount design allows the cover lifter to be installed on a variety of hot tub covers without drilling, it only takes half an hour to use the hot water bath freely. The lid lifter comes with all the necessary parts and instructions, the installation video..WarmTips: Our hot tub cover lifters must be able to access the underside of the hot tub in order for the bottom design to operate and have a 32 "to 52" clearance behind the hot tub. Not applicable to sunken or buried spas. Please contact us with any questions about anything.