KALYANAM Certified 5 Layer Protection Reusable & washable

High Protection: High Protection against harmful pathogens, airborne irritants, dust, allergies and pollen
High Efficiency : High Efficiency by close facial fit with a strong seal around the nose and mouth
2 Head Strap design to offer a tight fit Nose clip offers a snug fit and avoids fogging of eye-glasses
Effectively filters 95% of dust and air-borne particles as small as 0.3 microns