Tetra Pond Water Garden Pump is designed to power small waterfalls, filters and fountain heads in decorative backyard water gardens. Waterfalls and fountains add beauty and elegance to outdoor spaces and can mitigate bothersome noises in your pond. Tetra Pond Water Garden Pump includes two adapters to fit tubing measuring 1/2 inch or 3/4 inch in diameter. This magnetic-drive water garden pump comes with a 3-year limited warranty (see product packaging for details). It is tailored to fit a variety of pond sizes and pumping heights. UL Listed. Pumps up to 550 GPH.When choosing a statuary pump, make sure the size is slightly more powerful than you need to compensate for some loss due to friction in tubing and filtration components. A larger pump will also allow you to add water features in the future, if desired.