Liquid Cartridges

PPO Pleated Polypropylene 2.5" Cartridges



  • Thermal Bonded Construction - no adhesives 
  • Pleated media for high capacity & long life
  • FDA-Certified polypropylene 
  • 99.98% efficiency in all micron ratings
  • Standard 2.5" diameter - over 4 sq. ft. of media 
  • Continuous-length pleats - 9.75" to 40"
  • Numerous end cap-configurations available 
  • Interchangeable with all popular sizes
  • Max. Operating Temp. 80 deg.C (176 deg.F)



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PPOW Pleated Polypropylene 2.75" Cartridges 



  • Thermal Bonded construction - no adhesives
  • Pleated media for high capacity & long life
  • FDA-Certified polypropylene
  • 99.98% efficiency in all micron ratings
  • Standard 2.75" diameter, over 6 sq. ft. of media
  • Continuous-length pleats - 10" to 40"
  • Numerous configurations available
  • Interchangeable with all popular sizes
  • Max. Operating Temp. 80 deg.C (176 deg.F)



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Polyester Phenolic Treatment (PEPT) Deep Pleated Liquid Cartridge Filter



  • No fiber migration due to the utilization of heat set fibers
  • Increased surface area results in longer filter life reducing disposal and labor costs
  • Longer run times lead to higher product throughput
  • Thermally bonded end caps eliminate bypass
  • Designed for high viscosity applications





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600 Series Deep Pleated Liquid Cartridge Filter



  • Micron ratings from 1 to 40 
  • Removal efficiency of 99%
  • 35 sq.ft. of filter surface area which will fit inside most Size #1 & #2 strainer baskets
  • Several different filter medias together in a single pleat element
  • Provides an o-ring side-seal without any housing modifications
  • Recommended flow rate at 30 GPM and a pressure of 25 PSID 




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(NDC) Nominal Depth Cartridge Pleated Filter



  • Available in Polyester or Polypropylene construction
  • Micron ratings from 1-200 
  • Fits most Size #1 or #2 strainer baskets
  • Polypropylene and Polyester materials meet FDA regulations for food contact under CFR21, Section 177.1520
  • Broad Chemical Compatibility
  • Temperature ratings to 200ºF (PO), 275ºF (PE )
  • Silicone-free construction




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Contact Us

COVID-19 Annoucement

Immediate Release: April 3, 2020

To our valued customers,

Please be aware that AJR Filtration is currently open for business.

We have issued a company statement to all our employees, which provides specific medical guidelines recommended by the CDC to follow should they have any flu-type symptoms. Employees who are feeling ill are advised to stay home. We have taking all necessary precautions at our facility to ensure the safety of our employees and to help us to remain open for the duration of this crisis.  We are monitoring all State and Federal guidelines daily.

We will respect our customers’ and suppliers’ wishes regarding visits to their facilities and sales calls (which have been suspended.) We will handle customer/supplier emergencies on a case-by-case basis. We will continue to be available via phone, email or text. Please use your normal contacts with us. Should you have any issues connecting to any member of our team, please call our Corporate Office at 630-377-8886.

As of this date of this notice, most all our suppliers continue to support as close to normal operations as possible in this turbulent time.  Orders are being shipped as soon as possible and currently within a 7 day window. If we anticipate any changes that could impact manufacturing or create a shipping delay, we will pass that information along to you. In most cases, we have alternate suppliers for supply chain, products and services should the need arise.

We will continue to monitor this unique, evolving situation very closely and are prepared to take appropriate action and offer further guidance to best serve our employees, customers, and suppliers.

We wish you well at this difficult time - Please take care and stay safe,

Andy Hannah
Vice President of Sales

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