Nose wire replacement - close up

How I replace the nose wire in ALL my bifold masks.

A small correction to the narration: I said this doesn't reduce filtration - I meant the slot I cut doesn't. In fact the upgraded nose wire when properly pressed into your nose bridge greatly boosts filtration

Wire is https://www.amazon.co.uk/dp/B08DXJLDJG  - £11.99 when I bought it.

"BENECREAT 10m (32FT) 5mm Wide Primary Color Flat Jewelry Craft Wire 18 Gauge Aluminum Wire for Bezel, Sculpting, Armature, Jewelry Making, 10m/Roll"

Filtration Improvements

Claims about filtration increase from - https://x.com/Washable95/status/1614689966147215363

Nose wire as shipped: 85.2331% (PFE) Fit-Factor 6.77

Copper wire: 97.6955%, Fit-Factor 43.4

Aluminum roll from Amazon (snipped, filed): 97.8261%, Fit-Factor 46.0

Classic aluminum strip: 97.1339%, Fit-Factor 34.9

Copper in PE sheath (red in pic): 97.8711%, Fit-Factor 47.0