Engineered for maximum comfort, durability and visibility, the Ultimate FX FF-400 is the only respirator with Scotchgard™ Protector. This respirator features soft yet durable, silicone material and a large lens for superior peripheral vision. Benefits Full facepiece ultimate reusable respirator Comfortable - silicone material, head cradle 3M™ Cool Flow™ Valve and large lens Durable - straps pulled over 1 million times Uses Scotchgard Protector for easier cleaning and maintenance