Countertop Water Purifiers & Filters for UK Homes

Explore countertop reverse osmosis water purifiers, replacement filters and TDS testing tools for UK homes, London flats, renters and small kitchens. Other Water helps you compare practical water purifier options for cleaner-tasting daily drinking water without under-sink installation or permanent plumbing changes.

Start with Nova 100 if you want a countertop reverse osmosis purifier for everyday drinking water, choose ROF2501 when you need a compatible replacement filter, or use TDS1 to compare tap water and filtered water readings at home.

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  • Nova 100 Countertop Reverse Osmosis Water Purifier

    Nova 100 Countertop Reverse Osmosis Water Purifier

    Nova 100 Countertop Reverse Osmosis Water Purifier

    £199.00 GBP
    Sale price  £199.00 GBP Regular price  £299.00 GBP
  • ROF2501 Reverse Osmosis Replacement Filter

    ROF2501 Reverse Osmosis Replacement Filter

    ROF2501 Reverse Osmosis Replacement Filter

    £49.99 GBP
    Sale price  £49.99 GBP Regular price 
  • TDS1 Water Quality Test Pen

    TDS1 Water Quality Test Pen

    TDS1 Water Quality Test Pen

    £0.01 GBP
    Sale price  £0.01 GBP Regular price 

Buying Guide

Which Water Purifier Product Do You Need?

Choosing the right water product depends on whether you want to filter your drinking water, maintain an existing purifier, or test water quality at home. Other Water keeps the range simple so UK customers can easily choose between purification, replacement filtration, and TDS1 water testing.

For Cleaner Everyday Drinking Water

Choose Nova 100 if you want a countertop reverse osmosis water purifier for your home, office, flat, or rented space. It is designed for customers who want better-tasting drinking water without permanent plumbing changes.

  • Best starting product
  • Countertop reverse osmosis purifier
  • Suitable for UK homes and renters
View Nova 100

For Filter Replacement

Choose ROF2501 if you already use a compatible Other Water purifier and need a replacement reverse osmosis filter. Replacing filters helps support continued filtration performance and everyday water quality.

  • Replacement filter cartridge
  • Supports purifier performance
  • Available in multiple colour variants
View ROF2501

For Water Quality Testing

Choose the TDS1 Water Quality Test Pen if you want to check Total Dissolved Solids and compare tap water with filtered water. It helps customers better understand water quality before and after filtration.

  • Checks TDS levels
  • Compares tap and filtered water
  • Included free with Nova 100 where offered
View TDS1