Mask Conforms to EN140. Force8â„¢ twin cartridge half mask with Typhoonâ„¢ valve. Superior low breathing resistance. 4-point suspension harness with quick release buckles. Made with durable thermoplastic rubber, offering a superior fit to most face shapes. Accepts the full range of low profile Force8â„¢ filters, offering flexibility. Used for many applications, providing filtering protection against particulates, many gases and vapours. Supplied without filters.