Spectre's Stainless Steel Heater Hoses are available in either a 5/8 inch or 3/4 inch diameter and feature 4 foot, 6 foot, 10 foot or 25 foot length variations. Manufactured using high quality materials this heater hose was designed to resist temperatures over 250 degrees and is constructed using a nitrile rubber hose and 304 grade stainless steel braid. Product Features:304 grade stainless steel braidHigh-quality nitrile rubber hoseExceeds all oem requirementsResists temperatures over 250 degrees