Matilda's Own Face Mask Filters A4 4 Pack

Highly efficient filters for use with your own cotton outer. Made in Australia, these DIY Non-Woven Face Mask Filters are easy to breathe through and improve home made cotton mask filtration by 88%. Made from Hollow Conjugated Polyester for moisture absorption and extremely effective particle filtration. Each pack makes up to 24 mask filters.

• 100% polyester
• Made in Australia
• Art. MN585R