Trident Case Air Vent Mount - Retail Packaging - Black Arkons Air Vent Mount for Kraken A.M.S. for phone cases attaches to your air vent louvers for convenient, easy to reach mounting of your mobile device. Air vent mount for mobile devices. Attaches to horizontal car air vent louvers. Support leg adjusts to the bottom of the air vent for stability. 360 rotation for custom viewing positions. Compatible with Trident Case Kraken A.M.S. phone cases only.