Amazon.com: 4mm Quick Fitting, 5/32” OD Push to Connect Pipe Tube Straight Fittings, Pneumatic Air Line Connector 20Pcs : Automotive
Amazon.com: Beduan Push to Connect Fitting, 5/32" Tube OD Pneumatic Quick Adapter Tubing Air Hose Line Pipe Fitting (Pack of 12) : Industrial & Scientific
Canplas 192306 PVC DWV Y HXHXH, 6-Inch, White - Pipe Fittings - Amazon.com
Amazon.com: uxcell Clear Rigid PVC Pipe 29/32"(23mm) ID x 1"(25mm) x 1.3ft Round Tube Tubing : Industrial & Scientific
Amazon.com: JoyTube Silicone Tubing 1/4" ID, Food Grade 1/4" ID x 3/8" OD 16 Feet Length Pure Silicone Hose Tube for Home Brewing, Beer Line, Kegerator, Wine Making : Industrial & Scientific
Amazon.com: QFS QTY2 5/16"(8mm) x 7/20"(9mm) x 10"(260mm) Clear Corrugated Flexible Hose Line for Fuel Pump Assembly Replacement for Harley Davidson E-85 Safe Compatible, 1995-2020, OEM 62357-00 : Automotive
Amazon.com: METALLIXITY PVC Duct Reducer, (1-1/2 to 1-1/4 Inch) 2Pcs, PVC Pipe Increaser DWV Reducing Coupling - for Water Supplies Build, DIY, Garden Shelf Greenhouse, White : Patio, Lawn & Garden