John Guest 3/8 Stem to 1/2 Hose Barb - Join 1/2 silicone tube

Quick-Connect Fittings – Fresh Water Systems

John Guest SpeedFit 1/2 in. Plastic Push-to-Connect Female Connector Fitting (5-Pack) PEI452034 - The Home Depot

DuoTight Push Fitting Adapters

John Guest Stem Barb Connector - 3/8 OD Stem x 1/2 ID Barb – Fresh Water Systems

Barb Connector, Specialty, OD Tube Fittings

10mm x 15mm Speedfit Stem Elbow - PEM221015W - On-Demand Supplies

JoyTube Plastic Hose Barb Fittings 3/8 Barb X 1/2 NPT Male Thread Adapter Connector Pipe Fittings (pack of 6), Pipe Fittings - Canada

Male Connector, Specialty, OD Tube Fittings

JOHN GUEST 3/8 in. Push-to-Connect Tube to Hose Stem Fitting (10-Pack) PP251212W - The Home Depot

Reducer Tube OD 1/2 x 3/8 Poly PK10 PP061612W-PK10

Brass Straight Adaptors

John Guest Tube to Hose Stem 3/8 inch Stem x 3/8 Hose (one supplied) : : DIY & Tools

JG Speedfit 15mm x 3/4 Straight Tap Connector Brass Nut - PEMSTC1516

Plumbing and Accessories Archives - Bespoke Aquariums