Stanley RST-64012 Premier OV/N95 Silicon Half Mask Respirator Equipped with Organic Vapor/N95 cartridges and filters Low breathing resistance makes it one of the easiest breathing respirators of its type High quality silicone facepiece includes a soft sealing flange with rolled edges for extra comfort Incorporates a perspiration port to reduce slippage and skin irritation Low profile nosepiece allows for compatibility with eyewear