MS4-LFM-1/4-ARM – Micro Filter – Festo Compressed Air Filters

USD $ 89.25 USD $ 73.19

SKU: Festo 529459

Manufacturer Part Number: Festo 529459
Festo Compressed Air Filters: MS4-LFM-1/4-ARM
OEM Spec Ref 

The Festo MS4-LFM-1/4-ARM Compressed Air Filter, with MPN 529459, is an essential component designed to optimize the performance of pneumatic systems by ensuring clean and dry compressed air. This advanced air filter is ideal for various industrial applications, enhancing system reliability and operational efficiency through effective air purification.

Key Features:

  • Superior Air Filtration: Designed to remove particulates, contaminants, and moisture from compressed air, ensuring that only clean, dry air is delivered to pneumatic components, thereby maintaining optimal conditions for peak performance.
  • Robust Construction: Built with high-quality materials, the MS4-LFM-1/4-ARM is engineered to withstand the harsh conditions typical of industrial environments, offering long-lasting durability and reliability.
  • Compact and Modular Design: This filter’s compact size allows for easy installation within space-constrained areas, without sacrificing its effectiveness, making it highly versatile for various system designs.
  • Easy Maintenance: Features a simple, user-friendly mechanism for quick and easy maintenance, ensuring effective operation and minimal downtime.
  • Wide Compatibility: Compatible with a broad range of pneumatic systems, this filter can be seamlessly integrated into existing setups, providing great flexibility and enhancing system design.


  • Enhanced System Efficiency: By providing clean and dry air, it prevents the premature wear of pneumatic equipment, thereby enhancing the overall performance and reliability of the system.
  • Reduced Operational Costs: The efficient filtration process minimizes the risk of component failures and reduces maintenance costs associated with repairs and replacements.
  • Extended Equipment Lifespan: Protecting pneumatic components from contaminants extends their operational lifespan and reduces the frequency of maintenance needs.
  • Improved Safety: Clean air supply ensures safer operation of pneumatic systems, adhering to stringent industry safety standards.


  • Manufacturing Facilities: Crucial in environments where precision and reliability are key, ensuring that compressed air used in production lines is free from contaminants and moisture.
  • Control Systems: Plays an essential role in pneumatic control systems by maintaining the cleanliness of air, crucial for the system’s functionality and reliability.
  • Testing and Inspection: Ideal for use in testing setups where consistent air quality is necessary to achieve accurate and reliable results.
  • General Pneumatics: Suitable for a broad range of pneumatic applications across various industries, enhancing operational precision and system reliability.

The Festo MS4-LFM-1/4-ARM Compressed Air Filter stands as a testament to Festo’s commitment to advancing pneumatic technology, offering a sophisticated solution for managing air quality and optimizing the performance of industrial processes. This air filter is pivotal in ensuring the efficient and safe operation of pneumatic systems in diverse industrial settings.

Technical Data

Feature Specification
Series MS
Size 4
Structural design Fiber filter
Grade of filtration 0.01 µm
Condensate drain Manually rotating
Symbol 00991519
Operating pressure 0 bar … 14 bar
Operating medium Compressed air as per ISO 8573-1:2010 [6:4:4] Inert gas
Air quality class at the output Compressed air as per ISO 8573-1:2010 [3:4:2]
Max. standard flow rate for air quality class 360 l/min
Min. standard flow rate for air quality class 54 l/min
Filter efficiency 99.9999 %
Max. condensate volume 19 ml
Bowl guard Plastic bowl guard
Corrosion resistance class (CRC) 2 – Moderate corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
For use in the food industry See supplementary material information
Temperature of medium -10 °C … 60 °C
Ambient temperature -10 °C … 60 °C
Storage temperature -10 °C … 60 °C
Filter efficiency, fine particles 99.995 %
MPPS 0.05 µm
MPPS filter efficiency 99.95 %
Residual oil content 0.01 mg/m³
Filter efficiency, oil aerosol 99 %
Type of mounting Optionally:
Line installation
With accessories
Mounting position Vertical +/- 5°
Pneumatic connection 1 G1/4
Pneumatic connection 2
Housing material Die-cast aluminum
Compressed air filter material Borosilicate fiber
Material of bowl PC
Seals material NBR
Note on materials RoHS-compliant
Product weight 190 g
Weight 0.190 kg