Answer
Mar 25, 2021 - 10:18 AM
Thank you for your question. The recommended filter size for these masks is 4.72"L 3.14"H.
Do you have the same question? Follow this Question
Mar 25, 2021 - 10:18 AM
View all Custom Printed Face Masks Questions & Answers
View all Reusable 2 Layer Cloth Face Masks Questions & Answers
We look to ensure that every question is answered by the best people with relevant expertise and experience, the best answers include multiple perspectives. Do you have relevant expertise or experience to contribute your answer to any of these commonly asked questions?