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 Large Rock Waterfall LW 003 is approximately 38kg in weight and measures 2110mm x 735mm x 1725mm. Recommended pump size is 4800 - 6000 litres per hour. Pond not included.