Eco-friendly Solar technology that increases the temperature of the pool water by approximately 3-5deg depending on the size of pool and weather conditions. Suitable for above ground pools with a capacity less than 30,280L (8,000gals). Mats can be joined together for bigger pools, (standard 32/38 piping required - not included) . Simply attach to a filter pump with flow rate less than 2,500gph (9,463L/h) 1m x 1m surface to absorb sun's rays Dimensions before filling 1.20m x 1.20m. Includes 32mm hose attachment points Most splasher pools like Intex or Bestway have 32mm / 38mm hoses which will fit. (an additional hose may need to be purchased to connect the solar mat to your pump - although most pump hoses you can cut in the middle to make two with cuffed ends - Please check before ordering)