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20" × 4½", 0.5 Micron Melt Blown Polypropylene Filter

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Filtered Water Benefits the Whole Family
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0.5 Micron Removal of Dirt, Rust & Sediment
BB/Full Flow Size 20" × 4.5" Sediment Cartridge
Gradient Density Filters

Features & Benefits:

  • Gradient Density, Multi-Layered, Melt Blown Sediment Filter Cartridge.
  • Larger particles are trapped in the outer layers, smaller particles penetrate deeper.
  • Greater dirt holding ability and longer life than non-layered cartridges.
  • Thermally bonded polypropylene micro fibers for purity and chemical compatibility
  • Contains no binders, agents, solvents, antistatic materials or wetting agents
  • Meets FDA requirements for food and beverage contact
  • No leachables or extractables to contaminate
  • No surface binders to reduce flow and increase change-out frequency
  • Cartridges are individually shrink wrapped
  • Micron rating is molded into cartridge
  • Available in wide range of lengths and micron ratings


  • Whole House Sediment Filtration
  • Reverse Osmosis Prefiltration
  • Food and beverages
  • Oil and gas
  • Fine chemicals
  • Electronics
  • Metal finishing
  • Pulp and paper
This cartridge replaces:
  • Flow-Pro FPMB-BB1-20
  • GE Osmonics LD-01-20
  • Pentek GDA-250.5-20BB