MIDRAND GRADUATE INSTITUTE MIDRAND | GAUTENG MGI (Midrand Graduate Institute) features the Piazza Post Top double 54W LED 5m mounting height, Cubica Double 18W LED, Giza Eyelid 18W LED, Cubica Single 18W LED, Gamma Trunion 36W LED and Tower Mini. FEATURED PRODUCTS PIAZZA CUBICA SINGLE CUBICA DOUBLE GIZA EYELID GAMMA TOWER MINI