Simer is a manufacturer of continuous duty paddle pumps. Simer's utility pumps are ideal for removing water or fuel from sumps, spill containers and manholes. Other applications include transferring fuels from one tank to other during emergencies. With easy installation of replacement impellers, requiring the removal of four screws from the end plate, their UL listed pumps gives the customer assurance that the Simer brand is the safest and quickest way to do the job.