The debris that builds up on the underside of the baffle over the years produces a garbage noxious odor. To eliminate the odor simply remove the baffle and scrub clean the underside of the baffle with dish soap and a small soft bristle toothbrush and then re-install. The baffle was starting to display signs of normal wear so I checked the company’s web site for a replacement. I was please to find a reasonably priced replacement baffle. The ordering process was very simple and was more pleased when the exact replacement baffle arrived a few days later.