1/4" 6mm Plastic Hose Pipe Fitting Coupler Ball Valve Blue White 2Pcs | eBay
Quick-Connect Fittings – Fresh Water Systems
Amazon.com: PureSec RO Fittings Y Type 1/4 inch Tubing OD Use Two Way Water Line Splitter Quick Connect Tube Fittings Push to Connect Plastic Connectors for Water Filtration System(Pack of 10) :
Amazon.com: PureSec Push to Connect 1/4 inch Tubing Use Plastic Inline Straight Union Connector Quick Connect Fittings for Reverse Osmosis System (10, 1/4") : Everything Else
Pipeworks 1" 4-Way Furniture Grade PVC Tee - 4 Pack at Menards®
Everbilt 1/4 in. x 1/4 in. Comp Brass Coupling 800799 - The Home Depot
1-1/4 in. Furniture Grade PVC Tee Fitting - White | FORMUFIT
Amazon.com: PureSec 1/4 Water Line Fittings 1/4 Push to Connect Fittings for 1/4 OD Tubing(1/4 Ball Valve+1/4 T fitting+Y+L+I, Pack of 10) : Industrial & Scientific
1/2" 3/4" 1" 1-1/4" 1-1/2" Bsp Male Thread Hex Nipple Union White Pvc Pipe Fitting Coupler Adapter Water Connector - Pipe Fittings - AliExpress
Charlotte Pipe 1-in x 1-1/4-in Schedule 40 PVC Reducing Male Adapter in the PVC Pipe & Fittings department at Lowes.com