The AII-4001 Trimix BC Adapter, restrictor to 1 LPM, is designed to control the flow of Trimix gas into the BC at a rate of 1 liter per minute.
The device is designed to connect a 1/8 inch tube to a buoyancy compensator and control the flow of Trimix gas into the BC at a rate of 1 liter per minute. It's a specialized tool for divers who use Trimix and need precise control over their buoyancy while diving.