Stainless steel undercounter water system with sentry filter

Coldstream stainless steel undercounter water systems have been designed to make a stylish addition to any kitchen, with the filter element fitting unobtrusively under the sink. Each kit contains everything required to fit and install the under sink water filter and tap, allowing you to enjoy healthy, great tasting drinking water anytime.

The filter housing and brackets are steel and the tap is made from high quality 304 grade stainless steel. The kit contains all the necessary pipes, brackets and valves required to fit into an existing 15mm cold water supply.


  • Stainless steel filter housing and mounting bracket that can be easily and discreetly installed under your kitchen sink
  • High quality 304 grade stainless steel filtered water tap to be mounted on the countertop
  • All pipes, fittings and isolation valves required to plumb into the existing unfiltered 15mm cold water supply
  • One Coldstream Sentry filter that will provide at least six months of clear, safe and healthy water.
Coldstream undercounter stainless steel system with sentry filter. countertop water filter Best filters on the market.UK made.Free next day UK delivery.Carbon neutral. Removes more contaminants

The Coldstream Sentry provides protection against waterborne bacteria, removing microplastics and particles whilst still allowing the essential salts and electrolytes to remain.



The Coldstream Sentry water filter is made using our unique, specially formulated ceramic material, giving maximum protection against waterborne bacteria and removing particles and microplastics from your water.

The filtering process allows the essential salts and electrolytes through, leaving great tasting water that’s healthy and safe, straight from your tap.


  • Healthy salts and electrolytes stay in the water
  • Removal of microplastics
  • Removal of particles
  • Maximum microbial protection
  • No power required