These ones are awesome, as a former tank monkey I can say that I hate normal Y valves with a passion.
Even worse, they made a handle to carry y valve tanks and the pos just rotates in your hand and digs the valves into your wrists while simultaneously hitting your shins with the bottom of the tank.
Even worse, they made a handle to carry y valve tanks and the pos just rotates in your hand and digs the valves into your wrists while simultaneously hitting your shins with the bottom of the tank.