Wolverine - Model SWV-4 -4 Inch Super Sewage Odor Control Vent Filter

The patented Super Wolverine (Patent # US 8,273,162) activated carbon odor control vent filters for commercial and light industrial applications offer superior odor control, superior quality, and exceptional price. And now, the Super Wolverine comes with a built-in end-of-service-life indicator so that you know when the carbon is saturated and needs to be replaced. Whether your hydrogen sulfide odor is emanating from the roof vent of a large restaurant or a sewage treatment plant pumping station, the Super Wolverine Activated Carbon Vent Filter can solve your toughest vent odor problem.