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 Small Rock Waterfall SRW 019 is approximately 6kg in weight and measures 1030mm x 650mm x 305mm. Recommended pump size is 500-800 litres per hour. Pond not included.