Genuine Belgian Army BEM 4 GP Gas Mask Respirator. Complete with an original carry case and 40mm filter. Available in sizes S M L. Filters may or may not be sealed. Masks are in unissued. But do show signs of storage. For larger and more valuable items, we dispatch using a next-day courier service, ensuring same-day or next-day dispatch. Our priority is to maintain a positive customer experience. The item has been acquired as dead stock. However, all used items are described with the utmost attention to detail to ensure complete accuracy regarding their condition.