Connector

A connector adapted to provide supplemental gas to a respiratory system comprising:

• a main conduit having an inlet portion and an outlet portion that form a first passage for supply of a first gas in a forward direction, the inlet portion is adapted to receive a supply of the first gas and deliver the first gas to the outlet portion;
• a gas conduit having a first end and a second end that form a second passage for supply of a second gas, the first end of the gas conduit is adapted to connect to a second gas supply, and the second end is adjacent the outlet portion of the main conduit and delivers the second gas into the main conduit such that the second gas is directed to flow in the forward direction,
• wherein the second end of the gas conduit has a tapered shape such that a diameter at an exit of the second end is larger than a diameter at an entry of the second end.