British H82 Ammo tin used to store respirator testing gas


This H82 ammo tin is painted light grey, and has the markings “6 IRRT KIT SMK RESPR TESTING L1A1 IN 6 CNRS CS PW 1/86 026”. On the other side it has “AMMUNITION TEAR PRODUCING” This has the explosive safety class sticker (1.4G) on the top. The can is also stamped “H82 MK1 RG 1966 SV 340 A”. Can anyone post a photo of the devices this box held? I can post a photo of the box if anyone wants.