Citr-oen Dust Face Cover Adjustable Mouth Balaclava Bandanas Washable Reusable with Filter Paper for Kids Teens Men… Price: £8.50 (as of 23/09/2021 10:51 PST- Details)

Make sure this fitsby entering your model number.
100% Polyester Fiber With Adjustable M Nose Clip With Two Filters.
Two Sizes For Adults And Children. Adjustable M-shaped Nose Clips Make The Mask Fit The User’s Face.Five Layers Of Filter Cloth, Including Activated Carbon Filter Cloth. Filter Cloth SIZE: 4.73 X 3.15 .Effectively Filter Dust,haze.