· Premium Stainless Steel Construction· Fits Standard 3.5" or 4" Drain Opening· Open/Close Stopper Prevents Debris from Clogging Drain Pipe· 1 Year Limited Warranty with top-rated customer service available to support your needs· A high quality strainer prevents food particles and debris from obstructing the drain pipe· Strainer is constructed from stainless steel· An open/close stopper that seals tightly makes this strainer convenient and reliable· Limited lifetime warranty