Universal Rock is a high quality artificial rock product which is lightweight and easy to install. This waterfall comes complete with 19mm water outlet fittings ready for your pump to be installed (PUMP NOT INCLUDED). The Small Rock Waterfall SRW 016 is approximately 2.5kg in weight and measures 560mm x 405mm x 215mm. Recommended pump size is 600-800 litres per hour. Pond not included.