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MCMURDO EPIRB HRUBREAKTHRU
The McMurdo HRU (Hydrostatic Release Unit) is the water pressure activated automatic release mechanism for McMurdo EPIRBs.
The HRU is a sealed unit and requires replacement every 2 years. The HRU Replacement Kit contains all of the necessary parts to both replace the HRU and the retaining bolt.
McMurdo Hydrostatic Release Data Sheet(.pdf)
|Dimensions||6 × 6 × 4 in|