Taiss Boat Motor Fuel Line Hose ID 5/16" (8mm), Outboard Tank Manual One-Way Rubber Line Fuel Pump, Combination Kit with Connector and Primer Bulb. : Amazon.co.uk: Sports & Outdoors
5/16" ID Fuel Line Hose SAE 30R7, 150 psi 5' Length Fuel Hose : Amazon.co.uk: Automotive
20 Feet Fuel Line Hose, 5/16 Inch Inside Diameter NBR Fuel Line Hose, Black Fuel Systems Engines Hose Braided Rubber Fuel Line Hose : Amazon.co.uk: Automotive