ACR HydroFix HRU Hydrostatic Release Unit (9490.1)

HydroFix™ Hydrostatic Release Unit (HRU) The HydroFix™ Hydrostatic Release Unit (HRU) is a patented rod system that allows a beacon to be quickly and reliably released from a Category I bracket when submerged in water between  4.9' to 13.1' (1.5 to 4 M.)   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. *This is a date-stamped product and must be replaced every 2 years from the date of installation or 4 years from the date of manufacture.   Compatible With: ACR Sea Shelter,  Sea Shelter2 and Sea Shelter3 brackets Features: Easily replaceable 100% factory tested Technical Specifications: Dimensions -  2.5" x 3.4" x 2.0" (6.3 x 8.6 x 5.0 cm) Weight - 3.3oz (93.6 g) *Sold as an Individual