Skip to content
Skip to product information
1 of 1

Pentair CTOS-Q Replacement Cartridge

Sale Sold out
Shipping calculated at checkout.



About the Product

Coffee Machine Depot USA: Your Authorized Distributor for Premium Water Filtration

As the authorized distributor for Pentair, Coffee Machine Depot USA is proud to present the CTOS-Q, a state-of-the-art 15” Qwik-Twist cartridge designed to enhance your water quality significantly. This advanced cartridge is adept at reducing sediment to an impressive 0.5-microns and effectively diminishes chlorine, taste, and odor. With a flow rate of 2.25 gallons per minute, it can treat up to 22,500 gallons of water. Moreover, the CTOS-Q is equipped with IsoNet® technology, a patented scale-inhibiting solution that not only prevents scale accumulation but also offers a protective barrier against corrosion.

System Advantages:

  • Scale and Corrosion Protection: IsoNet®, our patented technology, offers unparalleled protection for your equipment, reducing maintenance needs and extending its lifespan.
  • Superior Filtration: The gradient-density depth filtration system ensures the removal of dirt, rust, and debris as small as 0.5-microns, guaranteeing clean, clear water. This also helps protect solenoids, valves, and other fittings from wear and plugging.
  • Activated Carbon Filtration: Improves the taste of your water and safeguards your equipment against the damaging effects of chlorine.
  • High Capacity & Easy Maintenance: The high-capacity cartridge lengthens the filter system's life and minimizes maintenance frequency. Plus, with a 1/4 turn QT Qwik-Twist mechanism, changing the filter is quick, easy, and hygienic.
  • Efficiency: Enhances the operating efficiency of equipment by mitigating scale and corrosion.

Certified under NSF Standard 42, this replacement cartridge is perfect for OptiPure QTI series systems.

Ideal Applications:

Designed for ice machines, coffee brewers, and steam equipment, the encapsulated Qwik-Twist style cartridge is exclusively crafted for OptiPure QTI Systems.

Installation Guidelines:

  • Ensure compatibility with existing cartridges.
  • Adhere to temperature and pressure specifications.
  • Allow for adequate space for cartridge replacement.
  • Activation or flushing is not required for optimal performance.
  • Use only with cold feed-water connections.

Key Specifications:

  • Dimensions: 17.5” height x 4” width x 4” depth
  • Operating Pressure: 10 - 125 psi
  • Water Temperature Range: 35˚ - 100˚ F
  • Shipping Weight: 5 lbs.

Performance Highlights:

  • Chlorine, Taste, and Odor Reduction: Up to 22,500 gallons
  • Flow Rate: 2.25 gpm
  • Sediment Reduction: 0.5 microns
  • IsoNet® Scale & Corrosion Inhibitor: 70 grams

Cartridge Compatibility:














Maintenance Tips:

For optimal performance, it is recommended to replace pre/post-filters and mineral addition cartridges every 6 months or when capacity or flow rates decrease. Membrane lifespan can range from 12-18 months to 3-5 years, depending on conditions and maintenance.

Note: This commercial-grade product must be installed and maintained as per the manufacturer’s instructions. It is not suitable for use with water of unknown quality or without proper disinfection.

Coffee Machine Depot USA offers a comprehensive solution for your water filtration needs, ensuring your equipment runs smoothly and efficiently while providing great-tasting, clean water.


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

View Product Details
You'll need this.