CV4 Vent Tubing Features: Made from pure silicone rubber Designed for vent lines on carburetors, gas cap overflow, radiator overflow, water pump bypass, oil cooler and various other applications Working operating temperature up to 420F (215C) Sold in 3 meter (9.8 ft) sections Note: Not designed as a fuel delivery line off of fuel tanks or to the carburetor, or any other line that is under continuous fuel immersion.