Attwood’s low-permeation Fuel Line Assembly Kits set the standard in performance, safety and value. They include Attwood"s award-winning Universal Sprayless Connector (hose and tank fittings), multi-layer low-permeation primer bulb and fiber reinforced, low permeation fuel line. Universal Sprayless Connector eliminates "spraying" of fuel when connecting and disconnecting pressurized fuel hoses. Multi-layer low-permeation primer bulb is quickest to prime in all temperatures. Fits all standard 1/4" NPT tank fittings. EPA certified with a 2 year warranty. Fuel demand valve included.