5pcs White Ultra Fine Filter Cotton Particle Dust Filter for DeVilbiss Respirator DV54/55/56/57

Highlights

• Effectively filter PM2.5 fine particles in the air, make air fresher.
• Filter cotton is equivalent to a protective barrier, can prevent particles in the air from entering the respiratory tract through pipe and mask.
• Ultra-fine filter cotton, mild and non-irritating, good filtering effect.
• Important accessory for DeVilbiss respirator, help protect human health.
• Light weight and in small size, easy to carry and install on machine.