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 Medium Rock Waterfall MW 004 is approximately 12kg in weight and measures 1070mm x 890mm x 610mm. Recommended pump size is 2000 - 2800 litres per hour. Pond not included.