Proflows 400R Series rubber hose is available in blue or black and is designed to be used with a variety of fluids including E85, diesel, methanol, coolant, oil and transmission fluid. Its synthetic nylon-reinforced rubber cover allows it to be used in applications of up to 250 PSI and its smooth polyethylene inner bore makes it perfect for both automotive and marine based applications. To ensure a perfect fit, use Proflow 400/510 Series fittings and adaptors.

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Note: Hose clamps must be used on all applications above working pressures of 55 PSI and temperatures above 65°C.
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Due to the use of unknown additives in some fuel blends, we cannot guarantee our rubber hose’s compatibility with all fuels unless otherwise stated. Please use Proflow’s 200 Series PTFE hose for all other types of fuel.

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