Doulton® Nitrate Reduction Cartridge for DUO systems

SKU: W9125047

Enjoy fast shipping and no customs fees with orders shipped from our warehouse based in the European Union.

Plus, get free shipping on orders over €25!

Our WRAS-approved replacement nitrate filter is designed to reduce nitrates in municipal water supplies, for use within a multi-filtration system like our DUO countertop system and our DUO & TRIO under-counter system. Pair our nitrate filter with our ceramic filter element to enjoy consistently clean, tasty filtered drinking water.
  • Replacement nitrate filter for the reduction of nitrates
  • For use within a multi-filtration system
  • Not suitable for single chamber system
  • Pair with our ceramic filter for clean, filtered drinking water
What's in the box
  • Nitrate Reduction Cartridge

Width: 49 mm

Height: 248 mm

Depth: 49 mm


1. Delivery Services

1.1 EU mainland:

Same day despatch on orders received 09:00 – 16:00 Monday to Friday.  Orders received after this time will be processed during the next working day.  Orders from outside the EU mainland will take longer.

1.2 'Out of Hours' Orders

Orders placed over a weekend or on a public holiday in the Netherlands will be processed during the next working day.

1.3 Place of shipping

All orders are picked and despatched from our warehouse in the Netherlands.

1.4 Delivery Charges

Delivery is free over the free delivery limit.  If the order value is below the free delivery limit, charges are calculated by weight and country, and are calculated at checkout.