This khaki beige carrier, comes with the gas mask, cannister, eyeshields and anti-dimming container. The carrier as a pair of brass snaps on the front while the interior is separated into five compartments and a metal air hole to the very bottom. To the underside of the flap bears a "C" broad arrow mark. The gas mask within is comprised of a rubber face piece with a rubber tube connecting to the metal filter container. The splinterless glass eyepieces set into threaded aluminum rims above an aluminum outlet valve and valve holder. Along the rear edges of the face piece are molded into the rubber six adjustable metal buckles into which pass the straps comprising the head harness. These black, elasticized straps are threaded through slots in a black rubber head pad. This head pad is stamped in yellow ink "No. 4 Mk III, BFG 42". The rubber mask is marked "Normal" and "BFG 7/42", while the outlet valve is embossed "1942". The approximately 36cm long segmented connecting tube is crimped by wires to, at one end, the aluminum valve holder on the front of the face piece and, to the other end, to the neck at the top of the filter container. The brick red container is marked "G.S.W, MacDonald Plant, Toronto" along with a "C" broad arrow, as well as, "G.S.W. No. 4A, 1942 AC/4, E/V1". Included is a container of No. 342 MK VI Anti-dimming with cloth and an envelope of three Anti-glare tinted eye shields wrapped in their original paper.