Coldstream CTO MAX Ceramic Replacement Cartridge

Comprehensive filtration for chlorine, PFAS, microplastics, and more — all in one cartridge!

The KLT Coldstream CTO Max is your all-in-one solution for safer, cleaner, great-tasting water. Tested and certified to remove over 130 contaminants, this powerful cartridge tackles what you don’t want in your water — so you can stop worrying about what’s coming out of your tap.

Removes or reduces:

• Fluoride, Chlorine & Chloramine – for fresh, chemical-free water.

• PFAS (forever chemicals) – linked to hormone disruption and immune effects.

• Glyphosate & Pesticides – common agricultural residues.

• Microplastics – tiny particles that can carry toxins.

• Heavy metals – including lead, arsenic, and chromium.

• Bacteria & Viruses – for safe, microbiologically pure water.

Two stages of protection in one filter:

• Outer ceramic layer with antimicrobial properties removes bacteria, microplastics, and particles.

• Inner carbon core targets chemical contaminants like PFAS, chlorine, fluoride, pesticides, and heavy metals.

Certified performance:

• Tested to NSF/ANSI 42 for chlorine, chloramine, taste & odour

• Tested to NSF / ANSI 53 for PFAS, chemicals, pesticides & heavy metals

• Tested to NSF / ANSI P231 for microbiological purification

• EPA and NSF approved

• Made by KLT Filtration Ltd, UK

Fits:

• Standard 2.5″ x 9″ (blue caps) & 2.5″ x 10″ (red caps) housings

• Compatible with all Living Whole benchtop and undersink water filter systems, including:-CTO Max Single Under Sink Water Filter
  – CTO Max Twin Undersink Water Filter with Fluoride Removal
  – CTO Max Twin Under Sink Water Filter with Fluoride Removal and Alkaliser
  – CTO Max Twin Under Sink Water Filter with Fluoride Removal for Hard Water
  – CTO Max Twin Countertop Water Filter with Fluoride Removal
  – CTO Max Single Countertop Water Filter

Specifications:

• Capacity: 10,000 L or 6–12 months

• Flow rate: up to 3 L/min

• Operating pressure: 10–125 psi

• Temperature range: 5 °C – 70 °C

• Micron: 0.9 absolute, equivalent to 0.2-micron nominal

Order two or more cartridges and receive an 8.75% discount.