Description
DHCT-B1 Twin Unifit Gas Filter – Reliable Protection Against Harmful Gases
The DHCT-B1 Twin Unifit Gas Filter is designed for professionals working in environments with exposure to inorganic gases, vapours, and acid gases. Ideal for use with twin cartridge respirators, this filter ensures dependable respiratory protection in industrial and hazardous settings.
Key Features
- Filter Class: A1B1E1 – Protects against organic vapours (boiling point >65°C), inorganic gases, and acid gases.
- Compatibility: Fits Dromex® twin cartridge respirators (DH102, DH202, DHFFM).
- Valve Replacement: Each filter includes a new valve for optimal performance.
- Individually Sealed: Ensures hygiene and integrity until use.
- Right-Hand Thread: Secure fit for twin cartridge systems.
- Compliance: CE EN 14387:2004 +A1:2008 B1; NRCS AZ2011/54 certified.
Benefits
- Enhanced Safety: Reduces exposure to harmful gases, improving workplace health.
- Peace of Mind: Certified to international standards for maximum reliability.
- Cost-Effective: Prolongs respirator life when used with pre-filters.
- Comfortable Breathing: Low breathing resistance for extended wear.
Specifications & Technical Details
- Filter Type: Gas filter for inorganic and acid gases (A1B1E1).
- Standard: EN 14387:2004 +A1:2008 B1.
- Certification: NRCS AZ2011/54.
- Connection: Right-hand thread for twin cartridge respirators.
- Materials: ABS housing, activated carbon sorbent.
- Weight: Approx. 110 g per filter.
- Shelf Life: 6 years (sealed).
- Compliance: Meets PPE requirements under Occupational Health & Safety Act and Mine Health & Safety Act.
How to Use
- Inspect the filter for damage before use.
- Remove old filter and valve from respirator.
- Attach new DHCT-B1 filter using the right-hand thread.
- Ensure a secure fit and perform a leak check.
- Replace immediately if breathing becomes difficult or contamination is detected.
Responsive Size Chart (UK to CM – Alpha)
| UK Size | CM | Alpha |
|---|---|---|
| 6 | 24.5 | S |
| 7 | 25.4 | M |
| 8 | 26.2 | L |
| 9 | 27.1 | XL |
| 10 | 27.9 | 2XL |
| 11 | 28.8 | 3XL |
| 12 | 29.6 | 4XL |
Note: Sizing may vary by brand.
Customer Reviews
John M. – “Excellent filter! Fits perfectly and provides great protection in my workshop.”
Lerato P. – “I use these daily in chemical handling. Breathing feels easy and safe.”
Mark D. – “Reliable and durable. I recommend this for anyone in industrial environments.”
FAQs
Q1: Does this filter protect against organic vapours?
Yes, it covers organic vapours with a boiling point above 65°C.
Q2: Can I use this with a single cartridge mask?
No, it is designed for twin cartridge respirators only.
Q3: How often should I replace the filter?
Replace immediately if breathing becomes difficult or contamination is detected.
Q4: Is it suitable for firefighting or oxygen-deficient areas?
No, do not use in oxygen-deficient or explosive atmospheres.
Q5: Does it meet international standards?
Yes, it complies with EN 14387:2004 +A1:2008 and NRCS AZ2011/54.
Industries & Workplace Applications
- Chemical Manufacturing
- Mining
- Oil & Gas
- Welding & Metal Fabrication
- Automotive
- Construction
- Agriculture
- Pharmaceutical
- Paint & Coating
- Acid Cleaning
Protect Yourself Today
Stay safe in hazardous environments with the DHCT-B1 Twin Unifit Gas Filter. Add to your cart now and ensure reliable respiratory protection where it matters most.
