Non-Removable Sink Strainer by SemperScreen&reg; SemperScreen is the only permanent kitchen sink strainer that filters out all food and waste that clog drains. Made from high quality stainless steel, this product is easy to use and safe around children since there is no way for little hands to get stuck in the garbage disposal. The double-walled basket strainer is a great addition to, or replacement for a garbage disposal. It fits in all 3.5" drains and is easy to clean with one swipe of your hand or sponge! Since no food products go down your drains, there is less maintenance and no nasty smells! For more info, visit www.semperscreen.com