Description
Dromex DHCS-A1 Single Unifit Filter
The Dromex DHCS-A1 Single Unifit Filter is a lightweight, reusable A1 gas filter engineered to protect against organic gases and vapours with boiling points above 65 °C. Designed for dependable performance when paired with Dromex DH101 single-cartridge respirators, it offers industry‑verified protection, low breathing resistance, and reliable construction for demanding environments. [1](https://www.nasa-comercial.com/product/dhcs-a1/)[2](https://trusths.co.za/product/dromex-a1-single-unifit-filter/)
Key Features
- 🔒 Individually sealed for hygiene and contamination prevention [1](https://www.nasa-comercial.com/product/dhcs-a1/)
- 🔧 Left‑hand thread design for secure single‑mask attachment [1](https://www.nasa-comercial.com/product/dhcs-a1/)
- 🛡️ Filters organic gases and vapours with boiling points >65 °C [1](https://www.nasa-comercial.com/product/dhcs-a1/)
- 🌀 Optional DHCS‑P2PF pre‑filter for added particulate and oil protection [1](https://www.nasa-comercial.com/product/dhcs-a1/)[2](https://trusths.co.za/product/dromex-a1-single-unifit-filter/)
- 🔁 Valve replaced with every filter for consistent inhalation performance [1](https://www.nasa-comercial.com/product/dhcs-a1/)
Benefits
- 🌫️ Effective protection from organic vapours in industrial environments [1](https://www.nasa-comercial.com/product/dhcs-a1/)
- ⏳ Extended filter life when paired with optional pre-filter in greasy atmospheres [1](https://www.nasa-comercial.com/product/dhcs-a1/)[2](https://trusths.co.za/product/dromex-a1-single-unifit-filter/)
- 💨 Low breathing resistance for improved comfort: >1.0 mbar @15 L/min, >4.0 mbar @47.5 L/min [1](https://www.nasa-comercial.com/product/dhcs-a1/)
- 🔐 Consistent performance due to built‑in valve replacement per cartridge [1](https://www.nasa-comercial.com/product/dhcs-a1/)
Specifications
| Style | Single cartridge, reusable A1 gas filter [1](https://www.nasa-comercial.com/product/dhcs-a1/) |
| Breathing Resistance | >1.0 mbar @15 L/min; >4.0 mbar @47.5 L/min [1](https://www.nasa-comercial.com/product/dhcs-a1/) |
| Gas Capacity | Cyclohexane breakthrough >70 min @10 ml/m³ [1](https://www.nasa-comercial.com/product/dhcs-a1/) |
| Maximum Filter Capacity | 1000 ppm (low) [1](https://www.nasa-comercial.com/product/dhcs-a1/) |
| Materials | Polystyrene case, PET pre‑filter pad, activated carbon, rubber valve piece [3](https://zdi.co.za/product/a1-single-unifit-filter-nrcs-az2011-70-2-cartridges-per-packet/) |
| Certifications | EN141:2000; EN14387:2004+A1:2008; SANS 54387:2007; NRCS AZ2011/70; CE (BSI CE 0086) [1](https://www.nasa-comercial.com/product/dhcs-a1/) |
| Individual Pack | 1 set containing 2 cartridges, shrink‑wrapped in a polybag [2](https://trusths.co.za/product/dromex-a1-single-unifit-filter/) |
| Units per Carton | 70 sets per box [2](https://trusths.co.za/product/dromex-a1-single-unifit-filter/) |
How to Use
- Remove the used filter and dispose of it according to safety procedures. [1](https://www.nasa-comercial.com/product/dhcs-a1/)
- Inspect mask and connector components for damage.
- Unwrap the new DHCS‑A1 cartridge from its sealed packaging. [2](https://trusths.co.za/product/dromex-a1-single-unifit-filter/)
