Set of 6 silicone non-return valves for sewer drain pipes, deodorizing core, floor drain pipe, silicone sink

【Sink Backflow Prevention Device】- The sink drain core fully utilizes the principle of gravity to ensure smooth drainage and automatically closes after draining.【Bathroom Drain Core】- Suitable for kitchen sinks, basements, balconies, laundry rooms, toilets, bathrooms, etc., this multifunctional drain core can meet your needs.【Silicone Drain Core】- This floor drain backflow preventer is made of silicone, with excellent workmanship and long-lasting durability.【Floor Drain Backflow Prevention Device】: It adopts a self-closing design to prevent steam from generating odors, block sewer backflow, and allow water to drain easily.【Drain Core】: Lightweight, small in size, easy to use and install, the silicone drain core provides you with added convenience.