Description
Certified and fully compliant with Australian/New Zealand Standard AS/NZS 1716:2012. P3 pre-filter clips over STS gas filters to make a combined particulate and gas filter Filters 99.95% of particulates. Mechanical filtration doesn’t lose filtration efficiency as it gets full or wet. Filters are water and oil-repellent. Hard casing protects filter material from damage. Easy to connect, no filter retainers required, they simply clip onto the gas filter. Two required per mask. Dimensions: 86mm (dia) x 14.5mm (H) Weight: 20g