This fuel line can be used with petrol as well as nitro fuel. 1/5 scale use 3mm.
eBay
1PC Brass RC fuel Tank Clunks For 50CC-120CC Airplane Gasoline Nitro Fuel Clunk Filter
Aliexpress UK
1 X HSP Filler Fuel Bottle 250CC for RC Model Car. Nitro Fuel Filler 250 CC Fuel Bottle.
eBay
1/8 RC Fuel Off-road Vehicle High-speed Remote Control 4WD Model Car RTR Nitro Climbing Vehicle RC Toys
Aliexpress UK
Many parts are interchangeable between models. Material : High Quality Fully Flexible Silicone.
eBay
260-1500CC More transparent Plastic RC Fuel Tank For Nitro and Gas Plane For RC Model Planes Airplanes Parts
Aliexpress UK
Fuel Tanks For RC Aircraft. Various Sizes, From 2 To 20 fl oz, By Radio Active.
eBay
300-1600CC Transparent RC Fuel Tank with CNC Aluminum Cover, Leakproof Gas/Nitro Engine Upgrade for Large RC Airplane Model
Aliexpress UK
Dubro Fuel Tanks For RC Aircraft. 2oz To 32oz.
eBay
RC Fuel Tank Transparent Plastic Bottle 260/360/500/700/1000/1500 ML/CC CNC Aluminum Alloy for Gas and Nitro Airplane Model
Aliexpress UK
this a small rc portable feul tank that you can use rc boats and rc cars and trailers. pls text me if u got questions.
eBay
1 Roll 5 Meters Silicon RC Nitro(Glow) Fuel Line For RC Accessories
Aliexpress UK
1 RC Plane Fuel Tank. 【Convenient to Use】: The transparent of the RC Gas Fuel Tank allows you to easily the fuel levels, ensuring you never run out of fuel during. 【Sturdy and Durable】: This RC oil tank is designed with good airtightness and high strength.
eBay
Metal Fuel Nozzle for RC Model Aircraft Fuel Tanks Accessories
Aliexpress UK
Wide range of applications, suitable for oil-powered fixed-wing rc airplane and oil-powered boats. Easy to install, can be installed on the rc airplane at will, to achieve easy refueling. Stainless Loose Tea Infuser Leaf Strainer Filter Diffuser Herbal Spice Spoon.
eBay
White RC Silicone Fuel Line Oil Tube Fuel Pipe Hose for Gas Engine Nitro Engine Glow RC Model Parts 100mm
Aliexpress UK