Climax Gas Mask 755 is also a reusable half-mask that is suitable for use in a variety of industries. It has a unique design that allows for a perfect fit and a high level of comfort. It has a low profile and a lightweight construction, making it easy to wear for extended periods. It's made of silicone and it has a double sealing edge, which ensures a tight fit and prevents air leaks. It also has a speech diaphragm that allows for clear communication while wearing the mask.