Amazon.com: PureSec 3/8 Water Line Fittings 3/8 Push to Connect Fittings for 3/8 OD Tubing(3/8 Ball Valve+3/8 T fitting+Y+L+I, Pack of 10) : Industrial & Scientific
Watts Quick Connect 1/2 in. x 3/8 in. Plastic 90-Degree OD x MPT Elbow PL-3038 - The Home Depot
Barb and Luer) Warner Tubing & Connector Kit | Warner Instruments
BEL-ART F19960-0000 Polyethylene 4" Drying Tubes with Polypropylene Tubing Fittings - D4120-1 - General Laboratory Supply
Apollo 1-in Polypropylene Coupling in the Polyethylene Pipe, Fittings & Accessories department at Lowes.com
Black Poly Tubing, 0.25"ID x 3/8"OD for Drip Irrigation – Flora-Flow LLC
T-Connector Tubing Fittings, Polyethylene, 3/4" HB x 3/4" HB to 3/4" HB, pack/10
1/4" to 3/8" Polyethylene Quick Disconnect | U.S. Plastic Corp.
Polyethylene Pipe, Fittings & Accessories at Lowes.com
Polyethylene T-Type Barbed Tubing Connectors (Tee-Shaped), Three 3/8 Inch Barbs,(Pack of 10): Amazon.com: Industrial & Scientific
How to Connect Poly Tubing & Tape to PVC Pipe : Drip Depot DIY Irrigation Support