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Prelude Filter Bags

Pall Water's Prelude™ pretreatment solutions are trusted to protect your membranes, your systems, and your investments. Bags are available in a wide range materials and can handle any many filtration applications.

Less Bag Changes & Less Waste

Setting the Bar for Filter Bag Quality

Discover how our filter bags are the optimal solution to reduce waste volume and bag changes and achieve your water treatment needs.


Capable of withstanding higher solid loading, our filter bags have a long performance life when compared to similar products. Our bag filters are trusted to provide reliable filtration in a number of municipal and industrial applications around the globe.


Products & Features


Material Compatibility

Pall offers an array of materials including polypropylene to polyester to select based upon your incoming water characteristics thus increasing the performance of your system.


Flexibility With Micron Rating and Sizes

Filter bags are available in multiple sizes and micron ratings. These combined aspects will result in an ideal solution to achieve flow, efficiencies and product desired.



  • Drinking Water
  • Wastewater
  • Desalination
  • Drainage Water / Leachate
  • Utility Water
  • And More... 


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Products Certified for Drinking Water Applications

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Proven & Certified

A number of our trusted pretreatment solutions are NSF / ANSI 61 & ACS certified for compliance in Drinking Water applications. Click to learn more.