The Del Roll Energy Evolution Slatted Pool Cover is an easy to install in-ground pool cover perfectly suited to indoor and outdoor pools, with its elegant and sleek finish this pool cover will keep debris out and reduce loss from evaporation. Whilst open the pool cover completely disappears. The electric control box includes saltwater chlorinator management. With the option of solar slats you can heat your pool for free on hot days. Suitable for new build pools and pool refurbishments up to 8m x 15m. 3 year guarantee on the motor and 2 year guarantee on the roller.