MettleAir MTE 3/8-1/4 Push to Connect Tee T Reducer Union Fitting, 3/8" OD - 1/4" OD (Pack of 10) Type: Tee Reducer Union Model: MTE 3/8-1/4 Tubing Center: 1/4" OD Tubing Right: 3/8" OD Tubing Left: 3/8" OD