'Walsh's Roach Bait' is an insecticide and miticide. Its Federal EPA registration number is: 20428-1. It was originally approved by EPA on 22 Feb 1973. Its registration got cancelled on 10 Oct 1989. It has a 'Caution' signal word. It has the following active ingredients: Boric acid. It's approved for 1 sites including homes. It is also approved for 2 pests and pest groups including but not limited to cockroaches and waterbugs.