Ideal for use in patio ponds, birdbaths, and other small water gardens holding up to 50 gallons of water. This energy-efficient filter is magnetically-driven, quiet, and easy to maintain. Featuring a pre-filter water intake, the Container Water Garden Filter has minimal maintenance and clogging for years of trouble-free use. Added spray bar provides proper surface oxygenation, and integrated suction cups make installation a breeze.