"• Mspa uses an internal beam structure; it is comprised of multiple air chambers (similar to a pocket sprung mattress) that make it rigid and durable. Also, it is constructed from tough materials i,e, PU leather and polyester laminated PVC. • Dimensions 71 in. L x 71 in. W x 28 in. D with 211 gallon water capacity • 1 HP Air Blower with 115 Air Jets, 530 gallon per hour filtration system, which is more efficient than other spas in the market • Internal control systems which has the blower mounted inside the spa wall which means that they are a lot quieter to use due to the insulation provided by both the spa construction and the water inside it, mSpa comes with an integrated control that makes it quieter than other inflatable spas available, It also makes it a neat and attractive looking spa • Patented Built-in Control Box; It"s designed for easy use: easy to set up, easy to inflate, and easy to drain, Smart inflation: connect the both ends of the pipe and press the BUBBLE button, Inflation will be done in less than 5 minutes, Integrated self-drainage system avoids having to bale out • 1.5 Kw heater (about 1.5-2 degrees/hour on average) Max, Heated water temperature: 104 degrees Fahrenheit • Inflatable Bladder for heat retention "