Compatible - with Leaded or Unleaded Gasoline, Diesel Fuel, Blended Fuels, Pure Alcohol & Fuel Additives. Reliable - No Electrical Contacts, Bearings, Rubber Diaphragms or Valves to Wear Out or Fatigue. Easy to Install & Service. Eliminates Vapor Lock - for Constant, Smooth Fuel Delivery on Hot Days & High Altitudes. The Transparent Housing Allows for Visual Capability to Monitor the Cleanliness of the Stainless Steel Filter.