The 3M™ Rugged Comfort 6500 Series Half Facepiece Reusable Respirator is designed to help promote comfort, durability, and stability with a firm, lightly textured silicone faceseal and strong body construction. The 3M™ 6500 Series is compatible with a wide variety of 3M respirator cartridges and filters to make a NIOSH-approved respirator and help protect your workforce from certain particulates, gases and vapors.