Garmin Descent Mk3i 51mm, Carbon Gray DLC Ti/Blk, Dive Computer Hollis The dump valve on the

The dump valve on the upper left is the rapid exhaust valve found at the top of the Powerline inflator

260K hi-res 2

Prerequisites

Quick dry fabric with directional wicking​

But if the diver is disabled and can't blow into a whistle (or deploy the SMB) the whistle makes no sound at all

Garmin Descent Mk3i 51mm, Carbon Gray DLC Ti/Blk, Dive Computer Hollis The dump valve on theGarmin Descent Mk3i 51mm, Carbon Gry DLC Ti Blk, Dive Computer with T2 Transmitter Bundle The Descent Mk3i dive computer and GPS smartwatch feature a smaller design, ideal for smaller wrists. Prepare to make the most of your diving experience with multiple dive modes, a long lasting battery, and support for the Garmin Descent T2 Transceiver for integrated air monitoring (not included). KEY FEATURES Dive computer with a 1. 2" AMOLED display, scratch