Matilda's Own Antiviral Treated Mask Refills

Using the knowledge gained by making mask filters for the CSIRO in recent trials, we have created this highly efficient face mask filter. 100% Made in Australia from Hollow Conjugated Polyester for moisture absorption and extremely effective particle filtration.

This product is treated with HeiQ Viroblock, which uses advanced silver technology based on recycled silver and vesicle technology.

Active ingredient: silver chloride

Non-toxic, Non-sensitizing, Hypoallergenic; shown to be a Non-Irritant in dermatological tests with no measurable residue

Each pack contains 3 x A4 sheets, measuring 210mm x 297mm for use with your own cotton outer.

Makes up to 18 refills.

Refills can be sewn-in and are washable but we recommend replacing them atleast every 6 months.