P2 pre-filter clips over STS gas filters to make a combined Particulate and gas filter.

• 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 get 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
• Pre-filters are limited to single shift use only
• Two required per mask
• Dimensions: 86mm (dia) x 14.5mm (H)
• Weight: 20g
• AS/NZS 1716:2012 certified.