Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in Eco-friendly solar technology increases temperature of the pool water by approx. 3 ~ 5 DegreeC (5 ~ 9 DegreeF) depending on weather condition. Simple hook up, compatible with filter pump up to 1/2 hp or pump flow rate &#60; 2500 gal/hr (9463 L/hr). Suitable for above ground pools up to 8000 gal (30,280L). 1m sq (11ft sq) surface to absorb sun's rays. 1  (32mm) hose attachment points, includes 1 adaptor A and 1 adaptor B for 1  hose connection. Includes: 0.5m (1 1/4&#34; / 32mm diameter) connecting hose. Bypass valve. Dimensions: 1.2m X 1.2 m / 47 1/4in; X 47 1/4in.