Bluecol is the original Nº1 Premium Anti-Freeze brand and has cared for and protected engine cooling systems since 1937. Bluecol was originally developed and manufactured by Smiths Industries, the aviation specialists, the name Bluecol was registered in 1934. Continuing Bluecol’s leading brand format, Tetrosyl has developed a patented formula. Bluecol ‘U’ is the first clear antifreeze that can mix with any colour or type. The Bluecol range has a wide variety of both cleaning and maintenance products to meet the needs of all seasons. Today there is a Bluecol range to suit commercial and domestic users, including a full range of premium products including wiper blades.