Oase PondoVac 4 Pond Vacuum CleanerThe Pondovac 4 from Oase has been updated for 2016 and he is now 20% stronger than the preceding model. A powerful pool and pond vacuum which allows you to clear your pond or pool of unwanted debris and dirt with ease. The two chamber system has two same size cylinders which are filled and emptied in alternating cycles. This enables non stop vacuuming and speeds up the process of clearing large bodies of water. A Hand regulator allows for adjusting