Item Description: n99 reusable, anti pollution face mask with 4 activated carbon filter and detachable head band for 1 8 + years personnel. 1 ) the mask must be suitable to provide dominant protection from pm 2. 5 particles, pollen, bacteria, smoke and dust. 2 ) the mask must be suitable to remove hazardous gases like carbon monoxide, ethy lene oxide and ozone. 3 ) dimension of mask 15 x 12 x 3 cm. item weight 30 gm. each set consist 04 nos. of act ive carbon filter. preference colour black/ blue [ warranty period: 30 months after the date of delivery ] ]

Kolkata, West Bengal, India