Extended Floor Drain Core and Adjustable Sewer Extension Pipe Keep drains flowing and indoor air fresh with this adjustable floor drain core and sewer extension pipe. Designed to bridge the gap between a floor drain base and the drainage pipe, it provides a reliable connection that improves water flow and reduces odor backflow. Key benefits Solves common drainage problems by extending the connection between the floor drain and the sewer pipe, preventing standing water and slow drainage. Prevents odor backflow to maintain a more pleasant indoor environment. Versatile and adjustable to fit a range of pipe positions and depths, making it useful during repairs and renovations. Durable construction for long term performance using ABS and silicone materials. Features Function: Extends and adapts the floor drain outlet to the existing drainage pipe for steady water flow and odor control. Materials: Made from ABS and silicone for strength, flexibility, and resistance to common wear. Compatibility: Adjustable length fits multiple installation depths and pipe positions; suitable for standard floor drain setups. Size: Length adjusts from 6 to 23 cm (2.36 to 9.06 inch). Diameter 4 cm (1.57 inch). Color: As picture shows. Package: 1pc Floor Drain Cores included. Practical use scenarios Bathroom renovation: Raise or extend the drain outlet to align with tile height and avoid reworking the subfloor. Hotel or multiunit maintenance: worn cores quickly to restore drainage and eliminate recurring odors in showers and wet areas. Kitchen and laundry area : Adapt a floor drain to changes in piping layout without extensive plumbing work. Installation and notes Adjustable length allows fitting to varied depths; ensure the 4 cm diameter matches your drain opening before installation. Allow 1 to 2 cm tolerance for manual measurement. Actual color may vary slightly from the photos due to monitor differences. This floor drain core and extension pipe is a practical, easy to install solution for improving drainage performance and reducing odor in bathrooms, kitchens, laundry rooms, and other areas requiring efficient water management.