Karen Walker series TWIN PACK 

• Designer reusable Face Mask ( Twin Pack) with Adjustable head strap & filter medium
• Unique Helix Filter medium with 99.99 % filtration efficiency with 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).PDF

NELSON LAB_FinalReport (Cytotoxicity).pdf

Product Catalogue only (KW, twin pack).pdf

Product Catalogue Helix filter, Karen Walker Series..pdf