With a second row of moveable blades The LMT series grilles are designed to be used in air-conditioning, ventilation and heating. The distance between the blades and the thickness of them give great strength and an aesthetic appearance which makes them ideal for living rooms and locations where decorative factors are of prime importance. They are suitable for supply and extraction in particular or for use in air curtains. They can be placed in ceilings, walls, separate units, fan coils and on the ground.