Q4: Will it clog the fuel hose if the “BT-X Fuel Saver” is immersed in the fuel tank ? 問4：【BT-X環保節油器】泡在油箱裡會阻塞油管嗎？

Answer : No! Because there is a filter screen at the front end of the fuel absorption pump inside the fuel tank of the car.

答4：不會！因為車子油箱裡吸油幫浦的前端都有濾油網。