The Force-hybrid has been designed to power filters and waterfalls following 4 years of testing and development. It uses the highest quality components that provide durability and reliability combined with efficiency and economy. The unique patent pending design of the Force-hybrid gives the pond keeper two pumps in one thanks to the Force-hybrid dual intake option allowing either a Sludge Removal or Multipurpose mode to be engaged at the turn of a switch. Sludge Removal Mode - optimized for sludge removal and filter performance .High speed pond floor intake engaged, sucks sludge and debris from the pond optimizing efficient removal by pond filter systems. Removes sludge and pond waste from the pond floor: 20% plus more sludge removed to the filter compared to other caged pumps on the market Pumps 8mm solids Ideal for all filter and waterfall installations. Multipurpose cage mode suited to general pond use. Ideal for Winter / holiday use. All Force-hybrids are supplied with an inline ball valve that can be ideally sited next to the filter or waterfall so that it is not necessary to drag the pump off the pond to make flow adjustments. Fitted with multi hosetails to suit all hose sizes.