The P3 pre-filter clips over STS gas filters to make a combined particulate and gas filter.

Key Features:

• 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. Sold as a 2-pack.
• Dimensions: 86mm (dia) x 14.5mm (H)
• Weight: 20g
• Check out the filter selection calculator to see if this is the correct filter for your job.