Make your cloth mask safer with HELIX.iso+™ - Double Protection drop-in filters.
- HELIX.iso+™ filters are compatible with most cloth masks that accommodate a replaceable filter and can be cut to shape. It is recommended to replace the filter as often as possible and should be disposed of safely.
- Offers Level 2 (highest) performance under the new ASTM F3502-21 standard for Barrier Face Coverings, meaning easier breathing and greater protection.
- Uses wool-based HELIX™ Filter Technology for greatest breathability. Any organic markings are harmless and are proof of the filter’s natural origin.
- Proudly made in New Zealand by Lanaco.
- For more information, see our FAQ.
Follow this link to find sewing partners that sell compatible cloth masks or sew your own by following our sewing template.
Good natural wool fibres. My face gets a bit hot after wearing the cloth mask for hours at a time and sometimes the wool tickles my nose. It is reassuring to know that they have a high filtration rating.
Excellent. Easy to fit and trim to size if needed for smaller masks for children.
Easy to breathe through. So please it is wool based. A beautiful natural fibre we need to use more of.
Nice and light. Easy to breathe through. A great product - just what I wanted.
Excellent NZ made product. A little fiddly to fit in mask but easy to breath through.