The drain core is installed at the shower floor, allowing water to run towards it and ensuring proper drainage. The sewer drain core allows water to flow through while preventing larger debris from entering the core and causing blockage. Made of durable materials, it supports long-term use and can be easily removed for cleaning and maintenance. Features: - Color: As shown - Material: Plastic, rubber - Size: 4.50 x 4.50 x 4.30 cm / 1.77 x 1.77 x 1.69 in - This drain core is suitable for most types of drains such as floor drains, shower drains, sewer drains, and toilet drains - The plug on this drain filter is effective at collecting hair and preventing drain clogs, providing efficient filtration - Featuring a simple yet stylish design, this drain filter is suitable for your bathroom and is easy to install without the need for complicated tools - Made from durable materials, this sink drain strainer is easy to clean and supports long-term use - Lightweight and compact, the backflow preventer is convenient to use, carry, and store Packing list: 4 x Floor Drain Cores