Keep your 3-in-1 or 4-in-1 instant boiling water tap performing at its best with the K5 Replacement Carbon Pure Water Filter. This dual action calcium and carbon filter is the approved original filter suitable for all Verana, Hanström and Fohen instant boiling water taps, designed to help reduce scale build-up and support clean, great-tasting filtered water.

The K5 filter is ideal for 4-in-1 systems that deliver both filtered boiling water and filtered cold water. It’s quick and simple to replace at home, helping protect your boiler tank from mineral build-up and keeping your tap running smoothly.

Important: please ensure this is the same filter as your existing one before placing your order. If you’re unsure which filter you need, contact us and we’ll help you choose the correct replacement.

What you’ll love

• Approved K5 replacement filter: dual action calcium + carbon filtration
• Made for Hanström boilers: approved original filter suitable for all Hanström boilers
• Great for 4-in-1 taps: supports better-tasting filtered boiling and filtered cold water
• Helps reduce limescale: supports boiler performance by minimising mineral build-up
• Filter change guidelines: replace every 6 months (or every 3 months in hard water areas)
• Protect your warranty: use Hanström approved filters purchased from Verana or approved partners
• Save with Subscribe & Save: 10% off when you subscribe to regular replacements
• Better value in multipacks: save with packs of 3 replacement filters