Suitable to all Israeli Gas masks, and other chemical protective gear such as Bardas, Shmartaf, M-15 and others. * filters has been tested to comply with rigorous Military specifications. * According to the manufacturer this filter has been perform gas-life tests (cyanogens chloride, DMMP, chloropicrin, phosgene, HCN) on charcoal samples from each drum and on completed canisters sampled from each production lot.