If the velcro on the F2 mask doesn’t fit. Sorry about the trouble. Please provide the following information:
- Product photos.
- Order invoice containing the order number and product information.
- Your recipient’s name, shipping address, postal code, and phone number.
Please send this information to our email: firstname.lastname@example.org . The warranty period for products sold through our channels is 18 months. After we inspect the provided information, we will arrange a replacement within the warranty period.