The Dometic Uniseal is a versatile and essential replacement sealing grommet, ideal for a wide range of applications including holding tanks and vacuum generators. It's designed to ensure a secure, leak-proof fit. Key to its functionality is the focus on the internal diameter measurements for precise sizing. For ease of installation, we recommend the application of heat (using a hairdryer or heat gun) and a suitable lubricant to facilitate the fitting of the new seal, ensuring a smooth and efficient installation process