Give Yourself & Your Kids an Extra Layer Protection For Your Re-Usable Face Masks.  Each Pack Contains  5 pcs of Disposable Filters and Can Last UP to 5 Days.
 
Each Filter is assembled with the following Layers:
1st & 5th Layer - Non Woven Filter
2nd & 4th Layer - Melt Blown Filter
3rd Layer - Activated Charcoal Filter
 
Adult Filter Size - 12cm x 8cm
Kids/Child Filter Size - 10cm x 7cm