CTO Plus 10" Slim Screw-In Filter Cartridge (1/4") (Filter Only no housing)
 
A high-performance, eco-friendly ceramic water filter designed to deliver clean, safe, great-tasting water at home or on the go.
Key Benefits
Ultra-fine filtration (sub-micron)
Removes 99.9999% of bacteria (E. coli, Salmonella, Cholera, Shigella)
Reduces heavy metals up to 99%
Removes 99.9% of microplastics & cysts (Giardia, Cryptosporidium)
Improves taste by reducing chlorine & chloramine
Made from 100% natural, non-toxic materials
Biodegradable & recyclable – low environmental impact
Made in the UK
Why Choose This Filter?
This cartridge combines ceramic microfiltration with a coconut carbon core, giving you powerful protection against contaminants while maintaining strong flow and great taste.
It’s ideal for both tank and town water, and can be easily cleaned to extend lifespan.
Compatibility
Fits standard 10" slim screw-in systems, including:
Doulton Slim Stainless Steel Countertop Filter
Coldstream Slim Stainless Steel Countertop Filter
Aragon Slim Stainless Steel Systems
Specifications
Filtration: Sub-micron ceramic + carbon block
Bacteria removal: up to 99.9999%
Cyst removal: 99.9% (Giardia & Cryptosporidium)
Microplastics: 99.9%
Capacity: ~2,840 litres (varies by water quality)
Size: 9.5" (242mm)
Maintenance: Outer ceramic can be scrubbed clean
Bottom Line
If you want a reliable, long-lasting filter that removes serious contaminants without adding plastic waste, this is one of the best options available.