Material: stainless steel 1.4301 and 1.4571, sealing ring made of PTFE. Accessories for safety canisters and safety barrels Replacement flame protection 1E18.1 (type FS150) suitable for safety canisters and safety vessels (10 l and 25 l): type 05KD, 10KD, 20KDL, 05KK, 10KK, 20KK, 05KZ, 10KZ, 20KZ, 05KT, 10KT, 20KT, 20KTL, 10D, 10DI, 10K, 25K, 10Z, 25Z, 10ZI, 25ZI, 10TZ, 25TZ. 1E19.1 (type FS200) suitable for safety vessels (50 l, 100 l, 200 l): 50K, 100K, 200K, 50Z, 100Z, 200Z, 50ZI, 100ZI, 200ZI.