Product was as described. Was a pretty tight fit on the our 3" vent pipes. One issue I noticed is that I ordered 2 items and one item had slightly less carbon in the bag than the other. Also, the screws were longer than I think are needed to secure the top screen to the body of the unit. Better too long than too short. So far I have not noticed any odor since installation but the true test will occur when we experience a north northwest wind. That is the weather pattern that I noticed the septic odor.
Went together easily and installed just as easy.
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