Push in 4mm 6mm 8mm 10mm 12mm 14mm 16mm PC Pneumatic T Fitting Push Fit PE Fitting Tee Hose Connector Plastic for Pneumatic - China Pneumatic Fitting, Quick Coupling | Made-in-China.com
6mm 8mm 10mm 12mm 14mm 16mm 19mm Brass T Hose Barb Tail Tee Connector Fitting | eBay
Push to Connect Fitting 12mm Tube OD x 8mm Tube OD Reducer, Pneumatic Air Water Straight Union Two Way Connector/Coupler (Pack of 5)