- Effective Backflow Prevention : This washer drainage seal features a one-way flap that automatically opens to prevent wastewater backflow while keeping insects out. It ensures your plumbing system remains clean and free from unwanted contaminants when not in use. - Durable Construction : Made from high-quality stainless steel and complemented by an adjustable silicone sleeve, this seal accommodates various pipe diameters, providing lasting performance and easy installation. - Enhanced Drainage Capacity : With a generous diameter of 75 mm, this seal increases drainage efficiency by up to 50%, confidently handling large volumes of wastewater without clogging. - Space-Saving Design : The flat profile of the seal allows for seamless integration into tight spaces, addressing issues commonly caused by traditional floor drains that extend too far into the room. Applications : - Ideal for residential kitchens and bathrooms to prevent backflow and maintain hygiene. - Useful in commercial settings, like restaurants or cafes, where efficient drainage and sanitation are crucial. - Perfect for any area with plumbing systems that require reliable backflow prevention, ensuring a clean and pest-free environment.