This is the Dry version of the bestselling Oase Aquamax pond pump and specially designed for dry installation. ie, it is not submersible but joins up straight to your pipework outside of your pond. It won\'t suit the pump fed system employed by the majority of our customers but it is perfect for a gravity-fed system favoured by koi keepers. This 16000 litre per hour pump is very powerful and can handle dirty water with solids up to 8mm in size. It is designed to be able to run continuously with little or no maintenance. This claim of durability being backed up by a five year manufacturer\'s guarantee which the buyer needs to validate after purchase.