• Gradient Depth Filtration
  • Long service life with high dirt holding capacity
  • Reduces sand, silt, rust, and scale particles
  • Various Media and Core materials for any application

The Baleen Max F.E. RJSW string wound cartridges are manufactured with open outer layers and tight inner layers towards the center of the cartridge, offering true depth filtration for high dirt holding capacity and extremely low media migration. The exceptionally high structural integrity allows for more severe operating conditions and a higher PSID. Chemical and temperature compatibilities as well as compliance with food and beverage applications are met through the various media and core materials offered within this product line. Making the RJSW string wound product line highly effective, versatile, and durable component of a filtration system.


The RJSW string wound filter cartridges offer interchangeable filtration media and core materials to accommodate for a wide range of applications encompassing, but not limited to, the following:

Polypropylene Media Material

  • FDA Approved
  • Potable Liquids
  • Micro Organism Resistant
  • Food and Beverage
  • Photographic Solutions
  • Pre-Membrane and Pre-RO Filtration
  • Pharmaceutical 

Cotton Media Material

  • FDA Approved
  • Potable Liquids
  • Food and Beverage
  • Alcohols
  • Photographic Solutions
  • Organic Solvents
  • Dilute Acids
  • Petroleum Oils 

Glass Fiber Media Material

  • Organic Solvents
  • Organic Acids
  • Oils
  • Strong Acids
  • Dilute Acids
  • Oxalic Acid
  • Phosphoric Acid
  • Oxidizing Agents
  • Sodium Cyanide
  • Nitric Acid 

Polypropylene Core Material

  • FDA Approved
  • Low Temp. Applications of corrosive fluid and gas.

304SS Core Material

  • High Temperature Applications
  • Dilute Acids.
  • Moderately corrosive fluids.

316SS Core Material

  • High Temp. Applications
  • Highly Corrosive fluids.

Part Number / Ordering Legend

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Outside Diameter: 2.5”(63mm), 4.5”(115mm)
Inner Diameter: 1.1”(28mm),1.2”(30)mm
Length: 9.75”(248mm), 9.87”(251mm), 10”(254mm), 20”(508mm), 30”(762mm), 40”(1016mm)


Filter Media: Polypropylene, Bleached Cotton, Glass Fiber
Core: Polypropylene, 304 Stainless Steel, 316 Stainless Steel


Micron Rating: 1μm, 3μm, 5μm, 10μm, 20μm, 50μm, 100μm
Max Operating Temperature: 140°F (60°C)
Max Differential Pressure @68°F (20°C): 0.49 bar
Recommended Change Out Differential Pressure: 2.2 bar

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