Vacuum your dirt away without stopping! This quality pond vac has a unique technological feature it has a powerful sludge pump located inside the chamber on the floor of the unit. Dirty sludge is sucked into the unit then propelled out of the back of the unit via the discharge hose. This has two main benefits1 no need to stop cleaning while the vacuum chamber empties. Br 2 pond vacuum can be positioned below the height of the outlet pipe.better still it is available at a great low price as we are introducing this vacuum to our range for just £249.99. This is around half the price of anything else on the market with similar features such as the pondovac 4 or 5.need to increase the length of the discharge hose?  no problem! A compatible 5m extension hose is now available. Br need more than this 5m discharge? no problem! Attach as many 5m extension pieces to each other as you need!