GamTube Details 14 March 2016 GAM Products has extended the GamTube line to include as standards the new T-5s and T-8s as well as T-12 bi-axial lamps. GamTube is a colour sleeve that fits over fluorescents of almost any size and comes in 40 off-the-shelf colours. Previous article: Martin Pro’s New Logistics Director Prev Next article: Nexo Sound for Mandela Lectures Next