The 3M™ 6057 filter is trapezoidal in shape, does not obstruct the field of view and has a wide filtering field. Convenient and quick fixation to 3M™ half masks and full face masks. The filters attach to 3M™ 6000, 7500 series half masks and 3M™ 6000, 7000 full-face masks that have the 3M™ Bayonet filter attachment system. Weight approx. 200 g.