Section of drainage pipe preventing sewer gases from travelling back up it

Let's find possible answers to "Section of drainage pipe preventing sewer gases from travelling back up it" crossword clue. First of all, we will look for a few extra hints for this entry: Section of drainage pipe preventing sewer gases from travelling back up it. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.