General description This Shower Floor Drain features a backflow preventer and odor stopper, designed for both kitchen and bathroom drain pipes. Made from durable TPR soft rubber, it is reusable for many years and effectively prevents the accumulation of water. Technical specifications Material: TPR soft rubber Size: 5.3 x 5.3 cm Compatible with sewer diameters: 35-37 mm Usage Suitable for kitchen sinks, bathroom sinks, floor drains, toilets, and other drainage areas. Helps eliminate odors and prevents insects from entering the sewer. Easy to install by inserting directly into the drainage pipe. Filter element can be easily removed for cleaning via the handle.