Universal Rock is a high quality artificial rock product which is lightweight and easy to install. This waterfall comes complete with 25mm water outlet fittings ready for your pump to be installed (PUMP NOT INCLUDED). The Cave Waterfall 006 is approximately 19kg in weight and measures 1230mm x 915mm x 725mm. Recommended pump size is 3600 - 4800 litres per hour. Pond not included.