The Bermuda Pressure filter combines mechanical and biological filtration with an in-built Ultra Violet Clarifier for clearer water. A pressurised unit, water can bepumped uphill out of the unit to feed watercourses or return to the pond while the filter remains hidden. Sponges can be cleaned at the turn of a handle.Top TipFilter Force solids handling pumps are the perfect partner to Pressure Filter, for effective, hassle free filtration and clear water.