8mm One Way Aluminium Fuel Non Return Fuel Check Valve for Petrol Diesel Oil Water Chrome Car Auto Carburettor Low Pressure Systems(2 Packs)

【FUNCTION】:One way valve is marked with arrow.It shows fluid flow direction.The valve can prevent fuel from returning back to the fuel tank and keeps it in the line. 【ALUMINIUM MATERIAL】:Non return check valve is made of premium aluminium alloy material,so it is more durable than common plastic valve and has better performance. 【SUITABLE FOR】:One way check valve is suitable for petrol, diesel,oils,water and other fluids. 【WIDELY USED】:One way aluminium valve can be used for carburetors and low pressure fuel systems.It is widely used at car,marine,caravans,helicopter,ship,motorcycle etc. 【SIZE】:Non return valve’s hole diameter:8mm 5/16".8mm tube is OK.