The Tub Hub Spa Cover Lifter EX is compatible with virtually any above-ground spa on the market today. Fits square or rectangular spas up to 264cm (104") wide. Only 305 mm of clearance required. All aluminium construction with a slick low profile design, zinc plated and powder coated for added longevity. 5 years limited manufacturer's warranty Very strong (metal) mounting brackets allows your hot tub cover to be supported entirely by the Cover EX safely above the ground, prolonging the covers life The Cover EX can be operated by a single user from any position you choose; from the side of the hot tub, from the back, or even inside of the hot tub Please note: These cover lifters are not designed to hold the weight of a water logged/heavy cover and will bend if used with them