Sealand ECO Vent Filter Kit The innovative concave shape of the SeaLand ECO filter assures that malodorous gases are completely filtered through activated odor-adsorbing media. The result is more thorough odor elimination and the assurance of more enjoyable boating. Though differently shaped, it is a direct replacement for previous SeaLand and Dometic vent filters, as it fits the same installation brackets as older models. Now made with recyclable plastics, SeaLand ECO filter components are much