ACR HydroFix™ Hydrostatic Release Unit for Category I EPIRBs

Automatic release when the EPIRB is submerged. Patented rod system allows release of the beacon from a Category I bracket when submerged in water between 4.9 and 13.1 feet (1.5 - 4 meters).  Designed to work with Sea Shelter™, Sea Shelter™2 and Sea Shelter™3 brackets  A patented rod system does not rely on a battery, blade or pyrotechnic device to release the beacon. This advantage allows for a quick, seamless and reliable release in an emergency.  Note that this is a date-stamped product and must be replaced every two years from the date of installation or four years from the date of manufacture.  Specifications Fits: ACR Sea Shelter,™ Sea Shelter™2 and Sea Shelter™3 brackets  Dimensions: 2 1/2" x 3 3/8" x 2" Weight: 3.3 oz. What’s in the Box Category I bracket (SeaShelterTM) release rod Keyed bracket adapter Replacement hydrostatic release unit (HRU) Cotter pin, large HRU expiration label Category I bracket (SeaShelterTM3) release rod