Description
3M 4255+ Maintenance Free Half Mask FFA2P3 R D, Blue
The 3M 4255+ Maintenance Free Half Mask is a ready-to-use reusable respirator from the 3M 4000+ Series. It is designed to provide respiratory protection against organic vapours and particulate hazards commonly encountered in industrial, construction, maintenance, manufacturing, chemical handling, welding, and fabrication environments. The mask features integrated filters, a low-profile design, and a soft non-allergenic face seal for comfortable extended wear.
Key Features
- ✅ Maintenance-free design with integrated filters and cartridges
- ✅ FFA2P3 R D classification for combined organic vapour and particulate protection
- ✅ Soft, non-allergenic textured face seal
- ✅ Lightweight, balanced construction
- ✅ Low-profile shape for improved peripheral vision
- ✅ Centrally positioned exhalation valve to reduce heat and moisture build-up
- ✅ Adjustable head cradle and neck straps for secure fitting
- ✅ Large bonded carbon filters for reduced breathing resistance
- ✅ Supplied with a resealable storage bag for hygiene and transport
- ✅ Ready to use with no filter assembly required
Benefits
- 🔹 Simplifies respiratory protection with no maintenance requirements
- 🔹 Helps improve user comfort during long working periods
- 🔹 Reduces exhalation resistance and improves breathability
- 🔹 Supports use in hot and humid working conditions
- 🔹 Allows better visibility thanks to its compact profile
- 🔹 Minimises time spent on filter replacement and record keeping
- 🔹 Provides combined protection from vapours and airborne particulates
Specifications
| Brand | 3M |
| Series | 4000+ |
| Model | 4255+ |
| Product Type | Maintenance Free Reusable Half Mask Respirator |
| Colour | Blue and White |
| Classification | FFA2P3 R D |
| Protection | Organic vapours and particulates |
| Organic Vapour Capacity | Up to 10 × WEL or 5000 ppm, whichever is lower |
| Particulate Protection | Up to 20 × WEL |
| Facepiece Material | Thermoplastic Elastomer |
| Head Harness | Polyphenylene Ether/Polystyrene |
| Head Strap | Polyisoprene/Cotton |
| Inhalation Valve | Polyisoprene |
| Exhalation Valve | Silicone Rubber |
| Gas/Vapour Filter Media | Activated Carbon |
| Particulate Filter Element | Polypropylene |
| Weight | Approximately 300 g |
| Storage | Resealable hygienic storage bag included |
| Certification | EN 405:2001+A1:2009 |
How to Use
- Remove the respirator from the resealable storage bag.
- Position the mask over the nose and mouth.
- Place the head cradle on the head.
- Adjust the head and neck straps for a secure fit.
- Perform a fit and seal check before entering the work area.
- Use only in environments suitable for the respirator’s classification.
- Replace the respirator when damaged, when filters become saturated, or when breathing becomes difficult.
⚠️ This respirator does not supply oxygen and must not be used in atmospheres containing less than 19.5% oxygen or in IDLH environments.
Customer Reviews
⭐⭐⭐⭐⭐ “Comfortable for all-day maintenance work and easy to fit.” — Pieter S.
⭐⭐⭐⭐⭐ “Good breathing performance and excellent visibility during fabrication tasks.” — Thabo M.
⭐⭐⭐⭐⭐ “Convenient because there are no filters to assemble or maintain.” — Johan K.
FAQs
Q: What hazards is the 4255+ designed for?
A: It protects against organic vapours with good warning properties and boiling points above 65°C, as well as particulate hazards covered by the P3 classification.
Q: Is the mask reusable?
A: Yes. It is a reusable respirator with integrated maintenance-free filters.
Q: Does the mask require filter changes?
A: No. The filters are integrated into the respirator and are not replaceable.
Q: When should the respirator be replaced?
A: Replace it when damaged, when gas filters become saturated, when particulate filters clog, or according to workplace respiratory protection procedures.
Q: Is it comfortable for extended use?
A: Yes. The design includes a soft face seal, balanced construction, large bonded carbon filters, and an improved exhalation valve.
Q: Can it be used in manufacturing and chemical handling applications?
A: Yes. The respirator is intended for industrial environments where compatible organic vapour and particulate hazards are present.
Industries & Applications
- 🏭 Manufacturing
- 🏗️ Construction
- ⚙️ General Maintenance
- 🧪 Chemical Handling
- 🔧 Industrial Processing
- 🔥 Welding and Fabrication
- 🚚 Workshops and Engineering Facilities
- 🏢 Industrial Services
Compliance & Certifications
- ✅ EN 405:2001+A1:2009
- ✅ FFA2P3 R D respiratory protection classification
Choose the trusted 3M 4255+ respirator for effective maintenance-free protection, comfortable wear, and reliable performance in demanding industrial environments.