The ALTSA Fortis Series combines LED tube and elegant fittings, providing a complete cost effective lighting solution designed to combine efficiency and life time. It also combines aesthetic value and serviceability. The ability to exchange the LED tubes in future helps to keep up with technology changes. It is versatile, robust, cost effective and the most energy efficient indoor lighting solution available. The ALTSA Fortis Series consists of Orion tubes (up to 190lm/W) packed into 600mm x 600mm, 1200mm x 600mm or 1200mm x 300mm luminaires in combinations of 2 to 4 lamps. The number of tubes can be varied per requirement. The luminaire are supplied in either surface mount or recessed