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Pentair Everpure CTOS-20 Replacement Cartridge

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About the Product

Pentair Authorized Distributor - Coffee Machine Depot USA

Coffee Machine Depot USA is thrilled to announce the availability of the Pentair Everpure CTOS-20 Replacement Cartridge. This premium 20” Drop-In cartridge is engineered to significantly reduce sediment to 0.5-microns and diminish chlorine, taste, and odor. Operating at a flow rate of 3.0 gallons per minute, it effectively filters up to 30,000 gallons. The CTOS-20 is designed to deliver unwavering protection against scale buildup and corrosion, ensuring your equipment remains safeguarded.

Key System Advantages:

  • IsoNet® Technology: Featuring OptiPure’s patented scale-inhibiting innovation, IsoNet® offers robust protection against scale and corrosion, significantly reducing maintenance costs and prolonging equipment lifespan.
  • Advanced Filtration: With gradient-density depth filtration, it removes dirt, rust, and other contaminants as small as 0.5-microns, ensuring water is clean and clear. This protects internal components from wear and plugging.
  • Activated Carbon Filtration: Improves water taste and shields equipment from chlorine-induced corrosion.
  • High-Capacity Cartridge: This feature lessens the need for frequent maintenance, making the system more cost-effective and efficient.
  • Eco-Friendly Design: The replacement process generates minimal waste as only the cartridge needs replacing, avoiding unnecessary disposal of metal or plastic.
  • Cost Efficiency: Offers a lower cost per gallon compared to proprietary quick-change filters.
  • NSF Certification: Certified under Standard 42 as a replacement cartridge for OptiPure FXI Series systems, ensuring quality and reliability.

Applications: Ideal for ice machines, coffee brewers, and steam equipment, enhancing performance and water quality.

Installation Guidelines:

  • Confirm the cartridge is the correct replacement for your system.
  • Follow specified temperature and pressure limits.
  • Ensure a minimum of 3” clearance below the system for easy cartridge replacement.
  • No activation or flushing needed post-installation.
  • Use only with cold feed-water.


  • Dimensions: 20” height x 2.8” width x 2.8” depth
  • Operating Pressure Range: 10-125 psi
  • Inlet Water Temperature Range: 35˚ - 100˚F
  • Chlorine, Taste, and Odor Reduction: Up to 30,000 gallons
  • Flow Rate: 3.0 gpm
  • Sediment Reduction: 0.5 microns
  • Scale & Corrosion Inhibitor: IsoNet® (140 grams)

System Compatibility:


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Replacement Tips:

  • Regular replacement every six months or upon reaching capacity is advised for optimal performance.
  • Ensure at least an annual replacement to maintain water quality.
  • Note: The effectiveness of the cartridge depends on water quality and usage. Always use with water that is safe or has been adequately treated.

By incorporating the Pentair Everpure CTOS-20 Replacement Cartridge into your water system, you ensure not just the longevity and efficiency of your equipment but also the quality and taste of your water, making it an essential addition for any business looking to maintain high standards in water usage.


Warning: Proposition 65 Warning — Applies to the State of California Only. LEARN MORE >

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