Push and Seal is a new and improved drain assembly that is easy to install and easy to use. Press to seal and again to open. It is that easy.Push and seals advanced compression lock seals the drain completely so your sink stays filled, even overnightWhen you need access to the drainpipe, simply unscrew and remove the stopperFits all standard bathroom sinksQuick and easy installation with no tools requiredGenuine Pfister partAll hardware needed for installation included