3M Reusable Half Face Respirator Mask 4279+, ABEK1P3, Blue/White, Maintenance-Free, Integrated Filters 4279-1

Workers handling chemicals, paints, solvents, or ammonia in industrial, agricultural, or laboratory settings can rely on the 3M 4279+ half mask for effective respiratory protection. This reusable mask features integrated ABEK1P3 filters that guard against organic, inorganic, and acid gases, ammonia derivatives, and high-efficiency particulates. The blue and white thermoplastic elastomer body is lightweight and durable, with a low-resistance parabolic exhalation valve and adjustable head cradle for a secure fit. The mask is maintenance-free and disposed of when filters are exhausted or damaged.

Key specifications

• Respirator type: Reusable half mask
• Filter classification: ABEK1P3 R D
• Protection: Organic, inorganic, acid gases, ammonia and derivatives; P3 R D particulates
• Standard: EN 405:2001+A1:2009
• Mask material: Thermoplastic elastomer (TPE)
• Colour: Blue / White
• Size: Medium/Large (one size fits most)
• Integrated filters: Yes, not replaceable
• Exhalation valve: Low resistance parabolic valve
• Head harness: Adjustable head cradle
• Shelf life: 5 years from manufacturing date
• Packaging: 1 mask per pack

Why choose it

The 3M 4279+ combines reliable multi-gas and particulate protection with a comfortable, low-maintenance design. Its integrated filters eliminate the need for cartridge changes, and the lightweight TPE body reduces fatigue during extended wear.

Ideal use cases

• Chemical handling and mixing
• Painting and solvent use
• Agricultural pesticide application
• Laboratory work with hazardous substances
• Waste management and cleanup

Good to know

The mask is maintenance-free and should be disposed of when filters are exhausted or damaged. It meets EN 405:2001+A1:2009 and has a shelf life of 5 years when unopened.