• 5" width X 3" height

How to use with our one-piece masks:
Bend in half to slip into the filter pocket located at the side of the mask. Once inserted completely, bend back into shape.
(Featured here is the Shalimar Mask in in Blue and White).

How to use with our pleated masks:
Slip into the pocket filter pocket located on the inside of the mask.
(Featured here is the Nicobar Mask in Jungle Green Ikat).