Attwoods new Low-permeation Fuel Line Assemblies set the new standard in performance, safety and value. Include Attwoods exclusive Award winning Universal Sprayless Connector hose and tank fittings, Attwoods exclusive Multi-layer low-permeation Primer Bulb and fiber reinforced, low permeation, high performance fuel line. Fuel Demand Valve is included. Compatible with all engines. Includes Attwood exclusive Multi-layer low-permeation primer bulb. Includes 38 or 516 low-permeation fiber reinforced