Safety Filter Selection Guide

Filter Guide for P420, P430, P500, P510 - Bayonet Connection.
Filters only sold in packs

Gas and Vapours Filters
Type A: Application Organic Vapours and Gases with a boiling point of 65C and above (solvents and hydrocarbons)
Type B: Application Inorganic Vapours and Gases (excluding Carbon Dioxide/Monoxide).
Type E: Application Sulphur Dioxide and other Acidic Vapours and Gases
Type K: Application Ammonia and its Organic Ammonia Derivatives Vapours and Gases
Type: ABEK: Application Combination Filter (all of the above)

Dust and Aerosol Filters
P1: Protects from non-toxic dust and/or water-based aerosols
P2: Protects from slightly toxic or irritating solid aerosols and/or liquids
P3: Protects from solid aerosols and/or liquids listed as toxic

Gas & Vapours Filters: Absorption Capacity
Class 1: Low capacity filter (pollutant concentration (< 0,1% or 10000 ppm)
Class 2: Average capacity filter  (pollutant concentration (< 0,5% or 5000 ppm)
Class 3: High capacity filter (pollutant concentration (< 1% or 10 000 ppm)
ppm = concentration in parts per million


Portwest P900 Gas Filter Box/6

Portwest P900 Gas Filter Box/6

CLASS A1Suitable for P410 Mask Screw in ConnectionSold in Box of 6..

£51.25

Portwest P920 Gas Filter Box/4

Portwest P920 Gas Filter Box/4

CLASS ABEK1Suitable for P410 MaskScrew in ConnectionSold in Box of 4..

£54.95

Portwest P921 Gas Filter Box/6

Portwest P921 Gas Filter Box/6

CLASS ABEK1Suitable for P420, P430, P500, P510Bayonet ConnectionSold in Box of 6..

£25.00

Portwest P940 Particle Filter Box/6

Portwest P940 Particle Filter Box/6

CLASS P3RSuitable for P410 MaskScrew in ConnectionSold in Box of 6..

£17.20

Portwest P941 Particle Filter Box/6

Portwest P941 Particle Filter Box/6

CLASS P3RSuitable for P420, P430, P500, P510Bayonet ConnectionSold in Boxes of 6..

£29.25

Portwest P950 Combination Filter Box/4

Portwest P950 Combination Filter Box/4

CLASS A1P3RSuitable for P410 MaskScrew in ConnectionSold in Box/4..

£87.00

Portwest P970 Combination Filter Box/4

Portwest P970 Combination Filter Box/4

CLASS ABE1P3RSuitable for P410 MaskScrew in ConnectionSold in Box of 4..

£101.40

Portwest P971 Combination Filter Box/4

Portwest P971 Combination Filter Box/4

CLASS: ABEK1P3RSuitable for P420, P430, P500, P510 MasksBayonet ConnectionSold in Box of 4..

£36.30

Portwest P902 A2 Gas Filter Bayonet Connection - 6 Units

Portwest P902 A2 Gas Filter Bayonet Connection - 6 Units

Full Face Mask with dual bayonet filter connection and ABS filter holders. Polycarbonate visor offer..

£20.15

Portwest P952 A2P3 Combination Filter Bayonet Connection - 4 Units

Portwest P952 A2P3 Combination Filter Bayonet Connection - 4 Units

P952 is A2P3 type combined filter. Classified as a class 2 filter for gases and class 3 for particle..

£31.60

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