ACR EPIRB HRU, to suit ACR RLB32/33/35/37/38/41/44 EPIRB's. Compatible with the popular ACR EPIRB model sold in the UK + Ireland, the GlobalFix V4 and V5. Hydrofix HRU (hydrostatic release unit). This unit is designed to work with the Sea Shelter, Sea Shelter2, Sea Shelter3, and Sea Shelter4 beacon brackets.
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