• Prevents fuel from returning back to the tank and keeps it in the line.
• Medium used: oil, gasoline, water, coolant, oil, air/vacuum etc.
• Professional grade non-return valve - Perfect for marine, automotive, caravans/RV, and agriculture
• Fine workmanship, stable performance. High strength, high hardness, durable.
• Easy to install, no assembly required, Arrow marked on valve, showing fluid direction.

1x Check Valve(2 Pack)