Optimize your respiratory protection with the 3M™ Versaflo™ Heavy Duty Neoprene Rubber Breathing Tube BT-40. This durable, NIOSH-approved breathing tube is designed for rugged applications, ensuring a secure connection between your headgear and PAPR air filter unit. Its neoprene rubber construction offers superior resilience, making it an ideal replacement part for your Versaflo™ system. Easily connect any Versaflo™ Headtop to any Versaflo™ air source. Build your customized respiratory protection system by selecting headgear, a breathing tube, and an air source that best suits your specific needs. All Versaflo™ components are interchangeable, providing the flexibility to create diverse solutions for various exposures, applications, or tasks.