Description
Dromex DHCS-A1 Single Unifit A1 Organic Gas Filter (NRCS AZ2011/70)
The Dromex DHCS-A1 Single Unifit A1 gas filter is a lightweight, reusable cartridge designed for protection against organic gases and vapours with boiling points above 65 °C when used with Dromex single‑cartridge respirators. Engineered for dependable performance with verified certifications and clear packaging details, it’s suitable for tasks involving solvents and organic vapours.
Key Features
- 🧪 A1 protection for organic gases & vapours (>65 °C boiling point)
- 🔁 Reusable cartridge; valve replaced with every filter
- 🔧 Left‑hand thread for Dromex single‑cartridge masks
- 📦 Individually sealed to maintain hygiene until use
- 🧱 Optional pre‑filter (DHCS P2PF) to add particulate protection
Benefits
- 🛡️ Reliable organic vapour filtration aligned to A1 class requirements
- 💨 Low breathing resistance figures verified under standard test flow rates
- ⚙️ Secure fitment and easy replacement via left‑hand thread interface
- 🧰 Extended service life when paired with approved pre‑filters
Specifications
| Brand | Dromex |
| Model / Code | DHCS-A1 |
| Product Type | Single Unifit A1 gas filter / cartridge |
| Protection Class | A1 (organic gases & vapours) |
| Boiling Point Threshold | >65 °C (organic vapours) |
| Compatibility | Dromex single‑cartridge respirators (e.g., DH101) |
| Materials (housing/media) | Grey polystyrene case; PET pre‑filter pad; activated carbon; rubber valve |
| Breathing Resistance | @15 L/min ≤≈1.0 mbar; @47.5 L/min ≤≈4.0 mbar |
| Gas Capacity (test) | Cyclohexane breakthrough time >70 min @ 10 ml/m³ |
| Max. Filter Capacity | Low 1000 ppm (A1 class typical use limit) |
| Thread/Interface | Left‑hand thread for single‑cartridge system |
| Valve | New inhalation valve supplied with each filter |
| Individual Pack | Set of 2 cartridges (shrink‑wrapped polybag) |
| Units per Carton | 70 sets (2 cartridges per set) |
| Standards / Certifications | EN141:2000; EN14387:2004+A1:2008; NRCS AZ2011/70; SANS 54387:2007 |
How to Use
- Unseal the pack and ensure the cartridge is undamaged.
- If fitted, remove the pre‑filter cover and unscrew the used cartridge.
- Dispose of used components safely according to site procedures.
- Fit the new cartridge to the mask using the left‑hand thread until secure.
- Conduct a user seal‑check before entering the work area.
Do not use in oxygen‑deficient or unknown atmospheres; this cartridge does not supply oxygen.
Customer Reviews
★★★★★ “Solid A1 performance and easy fitment on DH101.” — Michael S.
★★★★★ “Individually sealed and consistent breathing resistance.” — Lebo N.
★★★★★ “Great with P2PF pre‑filters for dusty paint work.” — Carla V.
FAQs
Q: Which masks does DHCS‑A1 fit? A: Dromex single‑cartridge respirators (e.g., DH101) designed for the Single Unifit interface.
Q: What contaminants is it for? A: Organic gases and vapours with boiling points >65 °C, A1 class.
Q: Can it be used for firefighting or confined spaces? A: No. It must not be used where oxygen may be deficient or for firefighting.
Q: How is breathing resistance characterised? A: Typical measured values are about 1.0 mbar at 15 L/min and about 4.0 mbar at 47.5 L/min under standard test conditions.
Q: How is it packed? A: Two cartridges per pack; 70 packs per outer carton.
Industries & Applications
- 🎨 Painting & coatings with organic solvents
- 🧴 Solvent handling & cleaning with organic vapours
- 🏭 Manufacturing and workshop environments with organic fumes
- 🖨️ Printing and laminating with solvent‑based processes
- 🚗 Automotive refinishing and body shops
Compliance & Certifications
- EN141:2000; EN14387:2004+A1:2008
- NRCS Type Approval: AZ2011/70
- SANS 54387:2007 (gas & combined filters requirements, testing, marking)
Why Choose This Filter
Choose the DHCS‑A1 for proven A1 organic vapour protection, verified performance metrics, and clear packaging that simplifies stock control across teams—all while maintaining compatibility with Dromex’s trusted single‑cartridge respirators.
DHCS-A1
