The reliable and sturdy Ninpheo pond filter tops the Sicce pond filter line for durability and efficiency, and stands up to the rigorous demands of outdoor water gardening. This new pressurized 36W UV Bio-filter is available in the 50L canister with a great filtration capacity for small as well as very large ponds. Ninpheo offers mechanical filtration (3 sponges of different densities together with an efficient UV sterilizer for crystal clear pond water.) Ninpheo is an easy maintenance filter with a sturdy body which can be placed next to the pond, buried in ground, or installed above the pond water level for the convenience of each particular user's application.