QuickLatch Flex facepiece with thinner walls and added flexibility. Fits most face shapes resulting in excellent comfort and an optimum seal. Just flip the latch up and the respirator slides off for work breaks. Flip the latch down and the respirator slides back to the original fitting position. Available in simulated silicone (SIM-U-SIL) and medical grade silicone. Universal fit 1-hand simplicity.