Type | Calibration gas | Class | Concentration | Breakthrough value | Duration in minutes |
A | Cyclohexane (C6H12) | 1 | 1 000 ppm | 10 ppm | 70 min |
B | Chlorine (Cl2) | 2 | 5 000 ppm | 0.5 ppm | 20 min |
B | Hydrogen sulfide (H2S) | 2 | 5 000 ppm | 10 ppm | 40 min |
B | Hydrogen cyanide (HCN) | 2 | 5 000 ppm | 10 ppm | 25 min |
E | Sulfur dioxide (SO2) | 2 | 5 000 ppm | 5 ppm | 20 min |
K | Ammonia (NH3) | 1 | 1 000 ppm | 25 ppm | 50 min |
Hg | Mercury vapors(Hg) | Only one class | 13.1mg/m³ | 0.1 ppm | 100 h (max 50 h. for EN) |
CO | Carbon monoxide (CO) | 20 | 2 500 ppm | 0-200 ppm | Max. 20 min |
NO | Nitric oxide | Only one class | 2 500 ppm | 5 ppm | 20 min |
NO2 | Nitrogen oxide | Only one class | 2 500 ppm | 5 ppm | 20 min |
CO / NO filter cartridge - X-plore 40mm A2B2E2K2 Hg NO CO20 P3 filter
Rd40 filter A2B2E2K2 Hg NO CO20 P3 RD DIN40 (standard thread 40 mm) for filtration of organic, inorganic gases and vapors, acids, ammonia and derivatives, mercury, radioactive and toxic particles, bacteria, viruses, carbon monoxide (CO) and nitrogen oxides (NOx).
It is the most powerful (and heaviest) filter cartridge in its class. Its universal DIN40 connector (40mm standard thread) makes it able to be connected to all Rd40 masks EN136 approved. Detailed description
A premium quality CO / NO filter cartridge
Gases and vapors are removed from ambient air through absorption (active carbon), water vapor is removed by impregnated active carbon (dessicator) and CO is transformed into CO2 and heat with a CO catalyst (Hopkalite), particles are filtered by a microfiber filter.
A2B2E2K2 Hg NO CO20 P3 filters technical specifications
Mask connection
Rd40 standard thread (Rd 40mm x 1/7”) according to EN 148-1
Materials
- Filter housing: aluminium with internal treatment
- Absorbing agent: active carbon, hopkalite
- Particle filter: glass microfiber, cellulose fibers, additives
- Lid: screw or rubber
Weight
Approximately 435 grams
CO / NO filter cartridges performances
Manufacturer | Dräger |
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Worldwide delivery
International delivery in compliance with international transport regulations (IATA, AMDG, ARD).
On demand "lithium" and "dangerous goods" regulated packaging.
Learn more about our worldwide shipping solutions.


