Dromex Twin Half Mask


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  • Soft PVC mask with deep face mould for a comfortable fit with an excellent seal
  • Dual wide elastic connected with a pin swivel connector, adjustable and with a quick release toggle
  • Efficient exhalation mask
  • For use with the DHCT twin unifit filter cartridge system.
  • SNRCS AZ2011/45
  • Soft PVC mask

In stock (can be backordered)

SKU: DH-102 Categories: ,

Additional information

Weight 0.576 kg
Dimensions 12 × 16 × 12 cm
Special Instructions

All respiratory selection should be read in conjunction with BS EN 529:2005 “Respiratory Protective devises – Recommendations for selection, use, care and maintenance”. These respirators do not supply oxygen. Do not use these respirators or enter in area where: • The Oxygen concentration is not known or is less than 19.5%. (e.g. tanks or other poorly ventilated areas). • Contaminants or their concentrations are unknown or are known to be immediately dangerous to life or health. • Do not use in explosive atmospheres. • Particulate or gas concentrations exceed levels fixed by the applicable health and safety regulations. • The requirement for leak tightness is unlikely to be achieved if worn against a beard or facial stubble. • Not to be used for firefighting. None of the materials or processes used in the manufacture of these products are known to be harmful to the wearer. The manufacturer has examined under the system for ensuring quality of production by means of monitoring and inspection. These respirators are designed to accommodate the basic safety requirements and standards for Personal Protective Equipment. The information contained herein is intended to assist the wearer in the selection of personal protective equipment. Actual conditions of use cannot be directly simulated in a test environment so it is therefore the responsibility of the end user and not the manufacturer or supplier to determine the half masks suitability for the intended use. All respiratory should be thoroughly inspected before use to ensure no damage is present. Immediately discard, should there be visible damage on the respirator.

Compliance & Conformity

NRCS Homologated to SANS 10338: 1999 as required by the Occupational Health and Safety Act, 1993 (Act No. 85 of 1993), and the Mine Health and Safety Act, 1996 (Act No. 29 of 1996). NRCS Homologated as per SANS 50140:1998, Respiratory protective devices — Half masks and quarter masks — Requirements, testing, marking. NRCS Type Approval No.: AZ 2011/45. CE EN approval as per BSI 0086, Type Examination No. 69552 – UNIFIT Half Mask as per approval from IOM (Institute of Occupational medicine) EH8 9SU, WHO collaborating centre for occupational health. Testing in accordance with BS 7356: 1990 EN140:1998 as per test report AP/530/147(c), contract No.: AP/530/147. Quality System as per ISO 9001:2008 certificate HK01/00703 as issued by SGS, UKAS approval number 005. Approved for used with particulate filters as per EN 143:2003 and gas filters as per EN14387:2004 + A1:2008.


Style: Twin cartridge, adjustable, PVC body, re-useable half mask with a storage protective mould. Half mask body: PVC (Polyvinyl Chloride). Harness: Withstands a pull of 50 N applied for 10 s. Resistance to temperature: a) 24 h in a dry atmosphere of (70 + 3) "C. b) 24 h at a temperature of (-30 * 3) "C. Inward leakage: <5 % of the inhaled air & mean result not exceeds 2%. Exhalation valve: Continuous exhalation flow of 300 I/min over a period of 30s. Housing and its attachment withstood an axial tensile force of 50N applied for 10s. Mass: 95.8 g with no cartridge assembly Additional : There are no metal fittings in this device. Half mask storage bags are available, Dromex part number: DHRB-BLK


1. Blue PVC Mask Body 2. Grey Polypropylene Valve Cover 3. Grey Silicon Valve Piece 4. Grey Polypropylene Valve Seat 5. Black/Blue (20mm) Elastic Headband (19mm) 6. Black Polypropylene Buckle – M 7. Black Polypropylene Buckle – F 8. Black Polypropylene Swivel Clip 9. Black Polypropylene Locating Pin

Cleaning & Maintenance

Respirators should be cleaned, checked for worn or damaged parts before and after use. If filter cartridge is to be re-used do not remove from respirator, but clean filter with cloth & warm soapy water. Dry with a clean cloth. Water must not enter the filter cartridge. To carry out a more thorough cleaning of the respirator, remove the filter cartridge and exhalation valve and wash the complete respirator body in warm, soapy water and dry. Refit components in reverse order from which they were removed. Care should be taken not to damage inhalation/exhalation rubber valves. Conditioning of the valves should be checked weekly and replaced if damaged/deteriorated. DO NOT USE SOLVENTS, STRONG DETERGENTS, BLEACHES OR PETROLEUM BASED PRODUCTS TO CLEAN ANY PART OF MASK. Maximum temperature should not exceed 30 degrees Celsius.

Fitting your Half Mask

Straps should not be twisted or covering any part of the ear. Place the headband over your head with the masks nose piece facing up. The mask must must be put on complete with all cartridges and pre-filters. Ensure the headband is correctly placed on the neck and place the plastic headband fastener in each hand and attached around the head with the headband above the ears and fasten the plastic clip. Adjustments should be made via the two elastic attachment points on the plastic clip. Wearers chin should fit comfortably into the bottom of the respirator. To check efficiency, place a piece of card in front of filters, inhale and respirator should contract sharply

Changing Filter Cartridge

Remove pre-filter cover and unscrew filter cartridge. Remove from mask together with connector and dispose of hygienically and safely. Clean respirator. Re-fit a new UNIFIT filter complete with valve as per the instructions supplied with the cartridge.


All industrial waste should be disposed of correctly according to local regulations and good disposal practice. Respiratory protective devices should be disposed of considering the hazardous substance they were used for. Please consider recycling.


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