Suitable for: 3M half and full-face masks; ideal for protection during sublimation (oxalic acid vapours). Fits via a bayonet click connection – secure and easy mounting for reliable respiratory protection.
- Provides protection against organic, inorganic and acidic gases and vapours.
- The filter fits both half and full-face masks using a bayonet click connection.
- High wearing comfort.
- Optimal safety when performing sublimation.
- Easy to handle.
- Quick and simple filter mounting.
- The filter always sits correctly.
How to choose the right 3M filter for work with oxalic acid vapours
When working with oxalic acid vapours, selecting the correct protective equipment is crucial. 3M offers a range of filters that protect against hazardous vapours. For oxalic acid vapours it is particularly important to choose the correct filter class (ABE).
What does the ABE classification mean?
The ABE filter class protects against:
- Organic vapours (A)
- Inorganic gases (B)
- Acid gases (E)
These properties make ABE filters ideal for protection against oxalic acid vapours. Look for the typical colour coding in brown, grey and yellow indicating suitability for the ABE class.
Why choose 3M filters?
3M is a proven brand known for high-quality personal protective equipment (PPE). To ensure maximum safety, always buy genuine 3M filters and masks. Counterfeit products may not provide adequate protection and can endanger your health.
Recommended masks for ABE filters
- 3M half masks, which are lightweight and secure for most applications.
- 3M full-face masks, which provide additional eye protection and a complete seal for higher-risk environments.
Both mask types are compatible with 3M ABE filters and offer maximum comfort and safety.
Important tips for selection
- Check the colour coding: Ensure your filter is marked brown, grey and yellow to guarantee ABE protection.
- Ensure compatibility: The filter must securely fit your 3M mask model.
- Replace filters regularly: Follow the manufacturer's instructions to maintain reliable protection.
With genuine 3M ABE filters and masks you protect yourself reliably against oxalic acid vapours and comply with applicable safety standards. Always choose genuine 3M products to protect your health and ensure optimal performance.
Stay safe and work responsibly!
The official 3M PDF selection guide for choosing the correct respiratory protection: 3M Auswahlhilfe Poster_In 3 Schritten zum richtigen Atemschutz_AS-0007_2015 (1).pdf


Technical details
- Item no.: FL3M
- Suitable for: 3M half masks and 3M full-face masks; specially recommended for work with sublimation / oxalic acid vapours
- Protection against: Organic vapours (A), Inorganic gases (B) and Acid gases (E) – ABE class
- Connection/compatibility: Bayonet click connection, quick and secure mounting; always sits correctly
- Colour coding: Brown, grey and yellow (identification for ABE filters)
- Features: high wearing comfort, easy handling and quick filter installation
- Note: Use only genuine 3M filters and masks; replace regularly according to the manufacturer's instructions