A rectangular-shaped white filter with PM2.5 in the corner.

PM 2.5 Carbon Replacement Filter Ten Pack

$ 3.99
$ 3.99
Sold Out

These carbon filters help protect your mouth and nose from small particles in the air. 

Made from soft cotton material. Measure approximately 4.72" x 3.15" is compatible with most filter masks and our Exploratorium optical illusion masks.