Attwood Sahara Automatic Bilge Pumps are compact, automatic bilge pumps you can count on for long-lasting performance. Attwood Sahara Automatic Bilge Pumps offer cool operation, durable design, and a compact size. Sahara pumps feature an improved pump chamber and motor housing. As water flows through the pump chamber, it circulates around the pump motor housing, helping to absorb the heat given off by the operating motor.