General

3M 4255+ FFA2P3 R D Maintenance-Free Reusable Half Mask Respirator

The 3M 4255+ Maintenance-Free Half Mask Respirator provides reliable, ready-to-use protection against organic vapours and hazardous particulates. With integrated filters and cartridges, it eliminates the need for maintenance or replacement parts, offering a convenient and cost-effective respiratory solution for professional use.

The 4255+ features an enhanced exhalation valve to reduce breathing resistance and heat build-up for greater comfort in hot or humid conditions. Its soft, textured, non-allergenic face seal ensures a secure fit, while the adjustable head cradle and neck straps provide a stable, comfortable fit throughout the workday. Lightweight and well-balanced, this low-profile mask design enhances compatibility with other PPE, such as eye and hearing protection.

Certified to EN 405:2001+A1:2009, the FFA2P3 R D model offers protection against organic vapours with boiling points above 65C up to 10 Workplace Exposure Limit (WEL) or 5000 ppm (whichever is lower), and 20 WEL for particulates. Supplied in a resealable hygienic storage bag for safe reuse and transport.

Key Features

Dual Protection: FFA2P3 R D filter protects against organic vapours (b.p. > 65C) and particulates such as dusts, mists, and fumes.

Maintenance-Free Design: Integrated filters and cartridges mean no replacement parts or servicing are required.

Enhanced Breathing Comfort: Advanced exhalation valve reduces breathing resistance and heat build-up during prolonged use.

Comfortable Fit: Soft, close-fitting, non-allergenic face seal provides a secure and comfortable fit for extended wear.

Adjustable Harness: Easy-to-adjust head cradle and neck straps ensure a stable and comfortable fit.

Compact Profile: Low-profile design improves compatibility with other PPE and ensures a balanced, unobtrusive fit.

Hygienic Storage: Supplied in a resealable bag for safe and clean storage between uses.

Standards & Accessories

Certified to EN 405:2001 + A1:2009 for valved filtering half masks for gases, vapours, and particulates. Classified as FFA2P3 R D. Complies with PPE Regulation (EU) 2016/425 and UKCA requirements. Supplied with resealable storage bag. 3-year shelf life from production date when stored between ?20C and +25C, <80% RH.

Shipped from our UK Facility

All 3M 4000+ Series respirators are dispatched from our warehouse, ensuring genuine 3M products with fast and reliable UK delivery.

Specification

• Product Type: Maintenance-free reusable half mask respirator
• Model: 3M 4255+
• Respiratory Rating: FFA2P3 R D
• Filter Type: Integrated gas and particulate filters (organic vapours and particulates)
• Protection Level: Up to 10 WEL or 5000 ppm (whichever is lower) for gases and vapours; 20 WEL for particulates
• Valve: Centrally positioned exhalation valve for reduced heat and moisture build-up
• Face Seal: Soft, textured, non-allergenic thermoplastic elastomer (non-silicone)
• Harness: Adjustable head cradle and neck straps
• Weight: 0.313 kg
• Operating / Storage Conditions: ?20C to +25C, <80% RH
• Shelf Life: 3 years from production date
• PPE Category: III
• Pack Quantity: 1
• Case Quantity: 10
• Commodity Code: 90200000