This combination gas and particle filter offers protection from:

• Organic and inorganic acid gases and vapours
• Sulphur dioxide
• Ammonia and its derivatives

It is classified as:

• Class 1 filter for gases
• Class 3 filter for particles

This filter protects against:

• Harmful substances
• Solvents
• Toxic particles
• Micro-organisms

The special Portwest bayonet system ensures a safer connection between the mask and the filter. This filter is compatible with:

• Half masks: P420, P430, P421, P431
• Full Face masks: P500