Description: 【Easy Installation and Use】: This upgraded anti odor floor drain core is designed for easy installation without the need to open up the old drain. It's a plug and play solution that instantly solves odor problems in your drains 【Sturdy Material and Design】:The shower floor drain made of thickened fine copper material, it is sturdy and rust resistant, ensuring long term use without damage. Its large percolate net effectively prevents hair and other foreign objects from clogging the drain 【Effective Odor Avoid】: The shower strainer features a physical odor avoid design with silicone sealing to odors effectively 【Efficient Drainage】:The sewer protector with its large drainage capacity, it can easily meet daily household drainage needs without causing water backflow 【Convenient Cleaning】: The fine copper body of drain backflow preventer makes it easy to clean while preventing rusting over time Specification: Applicable to 32-43MM floor drain inner diameter Size Chart: 7.2cmx5cm/2.83inchx1.97inch Package Includes: 1 Floor Drain Core(2 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.