Bestselling pond skimmer from market leader Oase. The skimmer floats on the surface of the pond & the suction action of its in-built pump pulls leaves, pollen & other debris into an easy-clean basket. The skimmer is powered by an integral 2, 500lph pump which means it can keep a large area up to 25 square metres clean. Effective in ponds up to 5 x 5m (16 x 16ft)