This sink strainer doubles as a plug ensuring your sink stays clear of blockages and unwanted smells - saving you costly plumbing bills Stainless steel construction - Corrosion Resistant & High-Temperature. Suited to daily utilitarian use for long-lasting protection against clogging. Efficient anti-clogging shield lets liquid flow seamlessly into the drain while it blocks food particles. Perfect for kitchen, bathroom, bath, shower, toilet, washbasin and other outlet use. Note: Please measure your old filter plug and see if its diameter is 73MM; Or measure your kitchen sink if its diameter is 74-78MM