Attwood Universal Fuel Line Kit - 3/8" Dia. x 6 Length w/Fuel Demand Valve [93806UFDV7]Universal Fuel Line Kit 3 8" Diameter x 6' Length with Fuel Demand Valve This EPA certified Attwood Universal Fuel Line Kit reliably delivers fuel to your Mercury engine and provides the ultimate in performance, safety, and value. The kit includes a 6 foot long, 3 8 inch diameter low permeation fuel line that is designed to prevent kinking and hardening, and is rated up to 100 degrees C. A Fuel Demand Value that eliminates engine flooding and spillage