3-in Guardian Sink Drain Strainer Aluminum Commercial Dome 3000 Clog Prevention

Just listing is for a guardian drain lock. This drain screener fits 3 in drains. Simply stick the strainer into a 3-in drain and tighten the screw. The base expands and locks itself into the 3-in hole. This item would be great for all types of 3 inch drains. This part is new and has never been used.