Face Mask Filters | HELIX iso + ™ | Sustainably made in NZ | PacksIf it's good enough for NASA Specifically designed to fit snuggly in your LUCKEfit mask, but are compatible with most cloth masks that accommodate a replaceable filter. High particle capture of invisible particles at low flow rates (>90% at 0. 3 micron) Extremely low breathing resistance Made from natural fibres Made in New Zealand (trusted by NASA.) HELIX. iso+ filters are made from natural NZ wool fibre and offers Level 2 (highest) performance under

They love clean

similar to AS Colour Staple Tee 5001G

-How often should you replace the filter

one mask at a time

Colour: Storm

-Are the filters compostable

perfect companion for the office

Frequently Asked Questions:

HYDROPHILIC

Half zip sweater

velcro tie

wool will decompose