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Hydrostatic Release Unit
McMurdo Hydrostatic Release for Catagory 1 EPIRB 'BreaktHRU' - the Hydrostatic Release Unit (HRU) Kit from McMurdo. Smaller that other HRUs currently available, BreaktHRU is unique in its use of a small pyrotechnic charge, which is used to enable EPIRBs to automatically float free.
Features: