Silent Air Auto Back-Up Air Pump B11 First Aid Supplies Transit Pattern

Transit Pattern

It then continues timing to 23 hours

Chemical handling and mixing

100% waterproof—can be used underwater for extended periods

Chemical Resistance

Silent Air Auto Back-Up Air Pump B11 First Aid Supplies Transit PatternProduct Code: SAB11 MPN: B11 The Penn Plax Silent Air Auto Back Up Air Pump B11 is an automatic emergency aeration system that helps protect fish and other aquatic organisms during electrical power failures. The unit plugs into a standard AC outlet to monitor incoming power and automatically switches to battery operation when power is interrupted, providing continuous aeration without user intervention. It can also be operated manually as a portable