3M 740B series High Performance Cartridge


3M Cartridge 740B

  • High load capacity for long-lasting, lower-cost filtration.
  • Fewer cartridges for fewer changes and lower labor costs.
  • Fewer seals, reducing the risk of bypass and achieving high quality filtration.
  • Extremely low disposal costs, less than one tenth of some cartridges.


The 3M 740B high flow, high performance cartridge.

The 3M 740B Series filter cartridge is an ideal choice for the filtration of liquid media in a wide variety of applications, either as a prefilter or final filter. This cartridge has a high load capacity, which allows for longer service life and lower filtration cost, with fewer cartridges and less need for replacement. In addition, its radial pleated construction allows for an incredible amount of surface area, resulting in high quality filtration with lower pressure drop and reduced risk of cross-contamination.

Models Micron rating, initial efficiency Part number NSF/ANSI
Standard 61
Length Outlet diameter Cartridges per box
742B 1 micron @ 99%. 70-0708-1552-0 NSF, see note below 39 in (100 cm) 6.5 in (16.5 cm) 1
743B 2 microns @ 99%. 70-0702-3124-9
744B 5 microns @ 99%. 70-0702-3125-6
745B 10 microns @ 99%. 70-0702-3126-4
746B 15 microns @ 99%. 70-0702-3127-2
747B 25 microns @ 99%. 70-0706-2356-9 No
748B 40 microns @ 99%. 70-0706-2357-7
749B 70 microns @ 99%. 70-0706-2358-5

This cartridge has a double O-shaped seal with different material options depending on the compatibility with the chemistry used, which minimizes the risk of leakage and by-pass. At the same time, it is easy to install and remove manually thanks to a built-in handle.

The 3M 740B cartridge filter uses melt-blown polypropylene microfiber filter media, which provides high particulate removal efficiency and broad compatibility with a variety of chemicals. All materials used in the construction of this cartridge comply with FDA Title 21 CFR standards.

It is important to note that this cartridge has different models depending on the load capacity and efficiency for the removal of particles in microns. Additionally, the 340B Series has been tested and certified by NSF International against the NSF/ANSI standard for material requirements.

In summary, the 340B Series cartridge is a reliable and efficient choice for liquid filtration that offers high loading capacity, particle removal efficiency and broad compatibility with different chemicals.

Pounds at 40 gpm
kilograms at 9 cu m/hr

Applications of the 3M 740B cartridge filter:

  • Applications Prefilters or final filters for:
  • Acids and bases Amines
  • Coal beds
  • Termination fluids
  • Deep wells
  • Desalination
  • DI Resins
  • EDM Glycol Fluids
  • Groundwater cleanup
  • Laundry water
  • Machine coolants
  • Make-up water
  • Organic solvents
  • Photochemicals
  • Coating solutions
  • Reverse osmosis membranes
  • Stormwater
  • UF membranes
  • Wastewater
  • Water flooding
  • Reconditioning fluids

The high performance 3M 740B filter cartridge offers a number of outstanding advantages that make it an outstanding choice for demanding filtration applications. Key benefits include:

  1. Exceptional filtration efficiency: The 3M 740B cartridge is designed to offer exceptional filtration efficiency, effectively capturing particles and contaminants and helping to maintain the quality and purity of the filtered fluid.
  2. Improved retention capacity: Thanks to its advanced design and high quality materials, the 740B cartridge has a higher capacity to retain particles and contaminants, extending its service life and reducing the frequency of replacement.
  3. High Performance at High Loads: The high performance 740B cartridge is designed to handle higher contaminant loads without compromising filtration efficiency, making it ideal for applications with heavy contamination challenges.
  4. Reduced operating costs: With an extended service life and the ability to handle higher contaminant loads, the 340B cartridge helps reduce operating costs by minimizing the need for frequent replacements.
  5. Chemical compatibility: The design of the 740B cartridge allows it to be compatible with a wide variety of chemicals and fluids, making it suitable for a variety of applications in industries such as chemical, petrochemical and food processing.
  6. Rugged construction: Made of tough, durable materials, the 3M 740B filter cartridge can withstand harsh conditions and harsh industrial environments, ensuring reliable performance in challenging environments.
  7. Improved product quality: By effectively removing particles and contaminants, the 740B cartridge contributes to improved end-product quality, especially in industries such as food and beverage, pharmaceutical and electronics.
  8. Ease of installation: The design of the 740B cartridge makes it easy to install and replace, which helps minimize downtime and maintain smooth process operation.
  9. Standards compliance: The 3M 740B filter cartridge complies with the quality standards and regulations applicable in different industries, ensuring regulatory compliance.
  10. Process optimization: By providing efficient, high performance filtration, the 3M 740B cartridge contributes to process optimization, reduction of rejects and overall improvement of operational efficiency.

In summary, the high-performance 3M 740B filter cartridge provides reliable and efficient filtration, extends service life, reduces operating costs and contributes to improved product quality in a variety of demanding industrial applications.

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