Dräger gas filter Rd40 940 A2 (6738855)

Industrial workers and emergency responders rely on the Dräger Gas Filter Rd40 940 A2 when working in environments contaminated with organic gases and vapours. This filter threads onto any Dräger full face or half mask with a standard Rd40 connection, providing dependable protection against organic gases and vapours with a boiling point above 65°C.

Key specifications

• Filter type: Gas filter
• Protection class: A2
• Connection: Rd40 (EN 148-1)
• Protects against: Organic gases and vapours with boiling point > 65°C
• Filter medium: Activated carbon
• Housing material: Plastic
• Maximum concentration: 0.5 vol.% (5000 ppm)
• Shelf life: 6 years (unopened)
• Operating temperature: -30°C to +60°C
• Colour coding: Brown
• Diameter: 105 mm
• Height: 65 mm
• Packaging: Individually sealed

Why choose it

The A2 class rating means this filter is suitable for use in atmospheres containing up to 0.5% by volume of organic gases and vapours. Its activated carbon medium offers high adsorption capacity, and the standard Rd40 thread ensures compatibility across the Dräger mask range. The filter is disposable and intended for single-shift use or until breakthrough is detected.

Ideal use cases

• Painting and coating operations
• Chemical handling and processing
• Industrial cleaning with solvents
• Emergency response to organic vapour releases

Good to know

Store the filter in its sealed packaging in a dry, cool, dark place to maximise shelf life. Replace the filter after each shift or when breakthrough is indicated by taste or smell. The brown colour coding helps quickly identify the A2 protection class.