NIOSH-approved, CE-certified, and Japan National Certification (TIIS)-approved respirator designed to deliver advanced and dependable respiratory protection. Featuring a bayonet connection design, it allows secure and convenient attachment of filters and cartridges, while the U.S. patented linear sliding front cover design ensures effortless assembly, disassembly, and cleaning for easy maintenance. The twin filter configuration provides excellent balance, a wide field of vision, and superior comfort during extended wear. Constructed from high-quality silicone, the facepiece offers exceptional softness, durability, and resistance to aging, while remaining gentle on the skin to minimize irritation and allergic reactions. The G520 also incorporates a U.S. patented butterfly-shaped exhalation valve, delivering outstanding exhalation performance to keep breathing smooth and to prevent heat and moisture buildup inside the mask. Its streamlined, ergonomic structure ensures a tight and comfortable facial seal, while the adjustable head strap system maintains a secure fit even in demanding environments. Designed for versatility, the G520 can be paired with MK Series gas cartridges and MF Series particulate filters, providing flexible protection against gases, vapors, and particulate hazards. Complying with GB2626-2019 and GB2890-2022 standards, the G520 combines superior protection, comfort, and value, making it an ideal choice for various industrial and professional applications. Available in three sizes—small, medium, and large—to ensure a personalized fit for every user.