Made in USA - Compression Tube Connector: 1/2 & 3/4-20″ Thread, 3/8″ Tube OD, Compression x Threaded - 32877508 - MSC Industrial Supply
Amazon.com: Quickun 3/8" Hose Barb 90 Degree Elbow L Fitting, Plastic 2 Way Equal Barbed Joint Splicer Mender Union Adapter Hose Fitting ( Pack of 5 ) : Industrial & Scientific
3/8" Gray PVC Schedule 40 Pipe | U.S. Plastic Corp.
Watts 1/2 in. x 3/8 in. Plastic O.D. x MPT Connector PL-3035 - The Home Depot
Reverse Osmosis Quick Coupling, Elbow Water Filter Plastic Pipe Fittings, Water Dispenser Coffee Maker - Temu
Source High Quality 3/8*3/8 Press Elbow High Pressure Compression Water Hose Male Quick Connect Fittings Plastic Pipe Connector on m.alibaba.com
Supply Giant 5-1238PPML Plastic PEX Poly Alloy 90 Degree Elbow Pex x MPT Barb Pipe Fitting 1/2 x 3/8 Inch Pack of 5 - Walmart.com
3 8 Inch Plastic Pipe Fittings | 1 Inch Plastic Pipe Fittings - Plastic Quick Fitting - Aliexpress
Value Collection - 3/8″ PVC Plastic Pipe Male Adapter - 01992833 - MSC Industrial Supply
0.8" PVC Pipe Fittings 3 Way Y Shape Water Joint Connectors Adapters - White - On Sale - Bed Bath & Beyond - 36327146
1/4" 3/8" OD Hose Tube 1/4" 1/2" 3/4" 1/8" Plastic Pipe Quick Connectors RO Water Elbow Fittings Water Purifier Pipe Fitting - AliExpress
Watts Quick Connect 1/2 in. x 3/8 in. Plastic 90-Degree OD x MPT Elbow PL-3038 - The Home Depot
Schedule 40 PVC Pipe Fittings, Threaded Bushing, 1/2-In. MIP x 3/8-In. FIP | True Value
Amazon.com: 20 pcs 3/8" Barb x 3/8" NPT Male Connector, Plastic Hose Barb Fitting, Adapter, Industrial Hose Barb to Pipe Fittings Connect : Industrial & Scientific
0.8" PVC Pipe Fittings 3 Way Y Shape Water Joint Connectors Adapters - White - On Sale - Bed Bath & Beyond - 36327146
Watts Water PL-3027 Pipe Adapter, 3/8 By 1/2 Inch Compression By Mpt, Plastic, 150 Psi Pressure: Polysulfone Plastic Push It Fittings (048643201309-1)
Formufit 3/4 in. Furniture Grade PVC 3-Way Elbow in White (8-Pack) F0343WE-WH-8 - The Home Depot
Everbilt 1/2 in. Barb x 3/8 in. MIP Nylon Adapter Fitting 800219 - The Home Depot
Poly Pipe Thread Bushing - MPT x FPT Adapter Fitting
Amazon.com: PureSec 3/8 inch Tee Connector Push to Connect Fittings Plastic Quick Fitting for water purification&RO System (5, 3/8" Tube O.D.X3/8" Tube O.D.X 3/8" Tube O.D.) : Industrial & Scientific
PVC Pipeworks 3/4-in Schedule 40 PVC Union in White (8-Pack) in the PVC Pipe & Fittings department at Lowes.com