3M 6503QL half mask

This half mask has a Quick Latch (QL) quick-release mechanism. Easy to set up and take down when entering and leaving contaminated areas. The safety helmet or visor does not need to be removed when putting on and taking off the mask. Silicone face seal provides comfort and stability with a soft yet firm seal. Longer lifespan due to resilient silicone material. Retains shape in high heat environments. Flexible bayonet click system for connection to a wide range of gas, vapor and dust filters. Adjustable head harness with durable harness straps for optimal fit and comfort. With Cool Flow exhalation valve for more comfort thanks to less heat and moisture. Less exhalation resistance makes breathing easier. Easy cleaning and maintenance due to fewer parts and crevices.