Features: 1.Fast drainage, effectively reduce your water waste, keep the room dry, suitable for kitchen, bathroom and so on 2.Drainage filter surface is smooth and easy to clean, effectively filtering rubbish, making the water flow freely, safe and convenient to use 3. Not only can it effectively prevent hair from entering the pipes, resulting in clogged pipes, it can also effectively prevent unpleasant odours 4. Closely fit the mouth of the sewer, suitable for 99% of the sewer 3.5cm-7.5cm cuttable soft rubber ring 5. Double blockade floor drain mouth, blocking cockroaches and stench, effective anti-odour and pest control Product specification: Product name: anti-odour floor drain core Material: TPR soft rubber Product size: 7.5x7.5x3.5cm Features: anti-insects and anti-odour, double blockade, rapid drainage Product list: 1x anti-odour floor drain cartridge