TF321

Triflow Replacement Filter Cartridge

Add in the discount code FILTER20 when prompted in the Coupon Code section at checkout.


Genuine replacement Triflow TF321 (formerly FRX02) filter cartridge. 

Enjoy the freshest and safest drinking water with the industry's most effective filters, exclusively manufactured for Triflow by Katadyn. 

The TF321 is a screw fit, 4 stage ceramic replacement filter cartridge. 

The Swiss-made TF321 filter, which is extensively and individually tested after production to ensure optimum performance:
- Is manufactured from survival grade materials
- Removes 99.999999% of bacterial pathogens
- Is silver impregnated to stop bacteria growth
- Improves taste and odour
- Reduces heavy metals including lead

Previously named FR9455 or FRX02

TF321
£44.65 (inc. VAT)




The Triflow®321 is the screw threaded filter cartridge for the Triflow system, formally known as FRX02. It has been designed to accommodate the requirements of the majority of water quality conditions that are likely to be encountered. All cartridges for your Triflow Systems are specifically developed & manufactured in Switzerland by Katadyn Inc. No. 1 in the world for individual water purification systems and products. Your Triflow filter is exclusively made for Triflow; there are no equivalents, only Triflow.

The Triflow®321 Filter Cartridge has the capability to remove/reduce:

  • Pathogenic bacteria
  • Cysts
  • Turbidity
  • Chlorine
  • Organics
  • Heavy metals (including lead)
  • Taste
  • Odour
  • Colour
  • Iodine (including Iodine-131*)
It leaves the essential minerals, such as calcium and magnesium, unaffected.


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