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Mask Refill Inserts - 4 x A4 sheets

$11.95

Made by Matilda's Own - this is what they have ti say about their product:

"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".

Each pack contains 4 x A4 sheets, measuring 210mm x 297mm for use with your own cotton outer.

Makes up to 24 refills. Refills are washable but we recommend replacing them after each use.

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