Q4: Will it clog the fuel hose if the “BT-X Fuel Saver” is immersed in the fuel tank ? 问4：【BT-X环保节油器】泡在油箱里会阻塞油管吗？

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

4：不会！因为车子油箱里吸油帮浦的前端都有滤油网。