Add weeks to your swimming season the "green" way, by using free energy from the sun to heat your pool. No electric or gas connections necessary. Ideal for use with any above ground pool. Fits 1.25"- 1.5" flexible hose fittings. Includes 2 sections of hose, stainless steel hose clamps, and protective cover. Installation is simple since it works with your existing filter pump. Multiple heaters can be connected to increase heating efficiency. Built-in adjustable legs with a range of 30° for optimal angle toward southern exposures. Includes 20' heating coil. 23"L x 23"W x 9.75"H.