OUBA 40 Pcs Activated Carbon Filters Meltblown Non-Woven Cloth 5 Layers Filters, 2 Pack Free (BlacK) for Women Mens Children Black Cotton Adjustable Reusable Breathing Anti Dust

Description

Color:40 PCS + 2 Black Q&A Q: How often do I have to replace the filter? A: No more than twice a week or any time it gets gross. The Filter is reusable!? I can wash and use again? A: No, they are not reusable. These are the replacement filters for their actual masks. These filter refills can be used from a week, depending on your activity. Really come with 2 free masks? A: Yes. These filters come with 2 (Black) normal protective masks for free.