Description
Dromex DHCS-P2PF Single Unifit P2 Pre-Filters
These lightweight, reusable P2 particulate pre-filters are engineered for use with the Dromex Single Unifit gas cartridge system, helping protect against solid dusts and liquid aerosols while extending the service life of compatible gas filters. Designed specifically for DRO-AIR gas cartridges, they offer dependable performance in dusty and oily environments.
Key Features
Benefits
Specifications
| Filter Type | P2 particulate pre-filter (Single Unifit) |
| Breathing Resistance | 0.7 mbar @ 30 l/min; 2.4 mbar @ 95.5 l/min |
| Filter Penetration | 6% (NaCl @ 95 l/min); 6% (Paraffin Oil @ 95 l/min) |
| Filter Efficiency | 94% |
| Shelf Life | 5 years (expiry printed on cartridge) |
| Certifications | EN143:2000 P2Pf; SANS 50143:2003; EN140:1998; CE (BSI CE 0086); NRCS AZ2011/49 |
| Pack Weight | 0.45 kg |
| Pack Dimensions | 17 × 10 × 4 cm |
How to Use
- Detach the pre-filter housing from the compatible gas cartridge.
- Unclip and remove the used pre-filter.
- Fit a new DHCS‑P2PF pre-filter securely into the retainer.
- Reattach to the respirator’s gas cartridge, ensuring a firm connection.
Always avoid oxygen‑deficient or explosive atmospheres—these pre-filters do not supply oxygen.
Customer Reviews
⭐⭐⭐⭐⭐ “Excellent quality—extends my gas filter life noticeably.” — Michael R.
⭐⭐⭐⭐⭐ “Easy to fit and reliable in dusty workshops.” — Taryn L.
⭐⭐⭐⭐ “Good airflow and dependable performance.” — Sipho D.
FAQs
Can I use this with twin cartridge masks? No, these are for Single Unifit systems only.
When should I replace the pre-filter? Replace immediately when breathing resistance increases or contamination is detected.
Does it protect against gases? No. It must be used with compatible Dromex gas cartridges for combined protection.
Is it oil‑resistant? Yes, it offers added protection in oily/greasy particulate environments.
Does it supply oxygen? No, never use in oxygen‑deficient environments.
