DEI Fuel Line Heat Shield. Designed for tubing, cables and hoses, the Vapor Block ™ Fuel Line Sleeve provides ultimate protection against heat, as well as chemical and oil spills, dirt, grease and road dirt. Constructed of high temperature fabric and bonded with aluminized material to reflect heat. Heat Sheath ™ is flame retardant and can withstand direct heat up to 171 ° C. - ID 2.5cm x 1m - self-adhesive DEI fuel line heat shield. Designed for tubing, cables and hoses, Vapor Block ™ Fuel Line Sleeve provides ultimate protection against high temperatures as well as chemical and oil spills, dirt, grease and road dirt. Constructed of high temperature fabric and bonded with aluminized material to reflect heat. Heat Sheath ™ is flame retardant and can withstand direct heating up to 171 ° C. - 2.5cm x 1m inner diameter - self-adhesive