Objective This has two tubes on it. The big one lets gas through, the little one lets air in. There is a "This side up" printed on the tube, because it only bends in one direction. The plastic is a bit thin and flimsy feeling. It is made in China. It fit the two gas cans I put them on.Subjective They are WAY WAY WAY better than the fail-trash, non-working, garbage tubes that come with modern gas cans that I absolutely hate and loathe. Also, they are better than the equally horrible replacement tSee full review