Spectra Products Inc. manufactures and markets bus and truck transportation safety equipment in Canada, China, and the United States. It offers brake and wheel-end monitoring equipment as an after-market product. The company also provides Brake Safe, a visual brake stroke indicator system that permits vehicle drivers and maintenance personnel to visually determine the brake adjustment condition of a truck, trailer or bus equipped with an air activated brake system; and Brake Inspector, an electronic version of Brake Safe, which offers an in-cab display of air brake status and permits the diagnosis of various existing and potential brake problems. In addition, it provides Termin-8r, an anti-corrosion lubricant; Zafety Lug Lock that prevents wheel-end lug nuts from loosening leading to wheel damage or loss; Hub Alert, a heat sensitive label, which offers an early warning of critical temperature threshold levels; Arrow Logger that makes Brake Safe's monitoring brake adjustment status available to drivers; and Anti-Seize Cotter Pin, which eliminates seized clevis pins. The company markets its products through transportation dealers, distributors, and direct sales to fleet operators. The company was formerly known as Spectra Inc. and changed its name to Spectra Products Inc. in January 2020. Spectra Products Inc. was incorporated in 1994 and is based in Toronto, Canada.