Sealing insert SKINTOP® SDV-M 40 ATEX, sealing insert, M 40, black, areas of application: Equipment group II / category 2G+1D, SKINTOP® SDV-M for use in conjunction with SKINTOP® MS-M ATEX, MS-M ATEX BRUSH or SKINTOP® KM ATEX plus (blue), benefits: high protection class, permanent and secure sealing in potentially explosive areas, easy to assemble