Most of people suffer from kitchen sewer blocked up, which cause a lot of inconvenience to your life, such as water overflow, peculiar smell and so on. And it will make you in misery. How to avoid this thing happen ? Firstly, you have to realize what lead to the kitchen sewer blocked up, most time the culprits are sundries falling into the sewer and can’t be washed away, and thus it will diffuse odor. But don’t worry, seaflo team have developed a RV accessory of PVC waste valve, which can be used in sewer line in kitchen, bath room, washing sink to prevent bad smell come into internal of RV.