Hills Face Mask HELIX.iso™ Filters Refill Pack
HELIX.iso™ New Zealand made filters have been scientifically developed as a multi-functional air filter that captures harmful particle matter, while offering superior breathability. This filter is tested to have a filtration efficiency of >80% of particles down to 0.3microns with low airflow resistance meaning it is easy and comfortable to breathe through. The merino wool fibres naturally resist bacteria and wick moisture, natural fibres also makes this product more environmentally sustainable. HELIX.iso™ filters are replaceable and should not be re-used.