- Unique Helix Filter medium with 99.99 % filtration efficiency and low inhale/exhale resistance
- Replacement filters available separately
- Made in New Zealand
Size guide
S: Distance from ear to ear = 310 mm
M: Distance from ear to ear = 290mm – 350mm
L: Distance from ear to ear = 350mm – 410mm
Filter efficiency nelson labs 954158-S01 Amendment 1 (Latex Particle Challenge Final Report)
MEO MASK Test report AS NZS 1716 HB (Respiratory Protective Devices)
NELSON LAB_FinalReport (Cytotoxicity)
Product Catalogue only (KW, twin pack)
Product Catalogue Helix filter, Karen Walker Series
