Variable diameter design, can be connected to 24-32mm drain pipe. Enhanced anti-odor dual function, sewer pipe and sealing ring fit tightly without gap. Plug and play suitable for most pipeline installation. Automatically open when draining and automatically close without draining. Environmentally friendly silicone, soft, elastic, durable and strong ageing. Colour: Orange.Size: 9x8cm.Package including1 x sealing ring
