Geotechnical Services model 921 Super-Sub Pumps run off of a 12-volt car battery. The 921 Super-Sub Self-venting Submersible Pump is a completely sealed unit, designed to be run submersed in fresh water, saltwater
and diesel.
Warranty: #921 Super-Sub pumps are guaranteed for 1 year against defects in materials and workmanship provided the pump case is not
opened or the pump otherwise abused.
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