Sandman’s excellent construction and reliability will keep your pool cleaner and the system is easy to operate. Sandman’s rugged filter tank is constructed of durable polyethylene that withstands winter’s worst and is corrosion proof. The top mount multi port makes using the system and backwashing quick and easy. Sine there is no cartridge to clean, this system is very low maintenance. In addition to a rugged filter tank, Sandman is powered by a ½ HP dynamo. You will be impressed by the flow rate in your pool and its quiet efficient operation.