Load class D, 400KN. Hinged grille with choice of opening side (reversible). Flat grid, rectangular bars, 45gr. 2 hooks for easy placement. The grille rests on an EPDM gasket in 6 places. Equipped with a removable odor trap. Ductile iron GJS 500-7 according to EN1563. Benor approved in accordance with PTV 802. Passage area 9500cm2. Weight 134kg