The Range
Coldstream Products
Coldstream products are available in both gravity or pressure system formats.
Gravity Systems
Gravity Filters
Compatible with all major brands of gravity systems and tanks, including Berkey, British Berkefeld, Phoenix and Newton. No plumbing, no power, no wastewater.
Pressure Systems
Pressure Filters
Designed for pressurised filtration housings, fitting neatly into undercounter and countertop systems for mains-fed, on-demand filtration.
FTO PLUS
Coldstream's flagship gravity filter option.
Compatible with all major brands of gravity systems & tanks.
Physical Ceramic Barrier
Coldstream's advanced high-density ceramic outer shell, infused with silver, acts as a highly effective sub-micron filter, trapping microplastics and reducing contaminants such as viruses, bacteria, and cysts while allowing clean water to pass through safely.
Activated Carbon Inner
Our proprietary and specially developed activated carbon technology is tailored to reduce fluoride, heavy metals, pharmaceuticals, herbicides, VOCs and a broad range of other contaminants.
Made in the UK & Independently Tested, Always
Made in the UK to our strict manufacturing and quality control procedures and always independently tested.
Designed to safeguard your drinking water.
CTO PLUS
Coldstream’s original ceramic filter designed for pressurised filtration housings.
Compatible with undercounter and countertop systems using a ¼” BSP fitting.
Physical Ceramic Barrier
Coldstream’s advanced, high-density ceramic outer shell acts as a sub-micron filter; effectively trapping microplastics, bacteria and cysts while allowing water to pass through safely.
Activated Carbon Inner
Coldstream’s carbon block technology is designed to operate in conjunction with the ceramic shell to remove a wide range of chemicals, heavy metals, VOCs and more.
Made in the UK & Independently Tested, Always
Made in the UK to our strict manufacturing and quality control procedures and always independently tested.
Designed to safeguard your drinking water.
CTO MAX (Slim-Line)
A next-generation upgrade on the original Coldstream CTO PLUS.
Compatible with undercounter and counter-top systems using a ¼” BSP fitting.
Double Layer Physical Ceramic Barrier
Powered by Coldstream's unique double-layer ceramic technology and infused with silver, this sub-micron filter effectively traps microplastics and removes viruses, bacteria, and cysts while maintaining optimal water flow.
New generation Activated Carbon Inner
Coldstream’s development in carbon block technology provides additional protection from pharmaceuticals, along with high-performance removal of heavy metals, chemicals, VOCs and a broad range of other contaminants.
The CTO MAX is the next level in ceramic water filtration performance.
Made in the UK & Independently Tested, Always
Made in the UK to our strict manufacturing and quality control procedures and always independently tested.
Designed to safeguard your drinking water.
CTO MAX
The Coldstream Filter designed for use in 10” style housings. Our highest capacity filter ever tested.
Built on Coldstream's CTO MAX technology, this is our highest-capacity filter ever tested and delivers exceptional contaminant reduction performance for up to 10,000 litres. Providing reliable, long-lasting protection for your drinking water.
PFAS removal up to >98% after 10,000l. Lead removal >97% after 10,000l.
Check our datasheets for performance, and care instructions to maintain your CTO MAX.
Made in the UK & Independently Tested, Always
Made in the UK to our strict manufacturing and quality control procedures and always independently tested.
Designed to safeguard your drinking water.
SENTRY
Coldstream’s stand-alone ceramic filter. Designed to remove sediments and particles as a ‘pre-filter’ for filtration systems which use multiple filters. Helping protect 2nd and 3rd stage filters from clogging up.
Physical Ceramic Barrier
Coldstream’s advanced, high-density ceramic outer shell acts as a sub-micron filter; effectively trapping microplastics, bacteria and cysts while allowing water to pass through safely.
Made in the UK & Independently Tested, Always
Made in the UK to our strict manufacturing and quality control procedures and always independently tested.
Designed to safeguard your drinking water.