Matrikx 2045CTO5 High Flow Chlorine Reduction Carbon Block 20″ x 4.5″


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A high quality 20″ x 4.5″ 5 micron carbon block for reducing chlorine, sediment, bad taste/odour and other chemicals. Ideal for 20″ whole house water filter systems.


Matrikx CTO 20 x 4.5″ Water Filter. A 5 micron high flow carbon block ideal for Chlorine, PFAS and Chloramine reduction.

Ideal for whole of house or where a high flow rate is needed, residential or commercial and food service industry.

Will reduce Dirt, Rust, Algae, Sediment, PFAS, Chloramines, Chlorine, Chemicals, Bad Taste and Odours.

Matrikx 2045CTO5 Features

  • 100% Coconut Shell Activated Carbon
  • High performance Catalytic Carbon
  • Outer sediment wrap
  • 5 micron nominal rated
  • Performance validated by independent laboratories
  • High absorptive Capacity and efficiency
  • NSF and WQA Certified for material requirements and safety
  • Chlorine reduction 193,000 Litres @ 26.6 Lpm
  • Dimensions are 510mm x 117mm

Compatible Filters

The Matrikx 2045CTO5 is a suitable replacement for virtual any double open ended 20″ x 4.5″ inch 5 micron carbon block.  Replaces:

  • AP811-2
  • CB05MP2
  • EC 05LD2
  • 2045CB5

Matrikx 2045CTO5 Specifications

  • Media type: Carbon block
  • Micron rating: 5 Micron
  • Matrikx part: 32-450-20

These filters have an endless shelf life if unused, so buy in bulk and save.

Suits Big Blue and Big White 20″ x 4.5″ filter housings.


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