OrganicDiscount
Doulton® Nitrate Reduction Cartridge (9F04) for DUO & TRIO systems

Doulton

Doulton® Nitrate Reduction Cartridge (9F04) for DUO & TRIO systems

Reviewed byUpdated 4 Jun 2026

Best price available

£36.45

From £36.45 across 1 merchant
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

Price Analysis

Fair Price

The current price is around the average. It's a reasonable time to buy.

Current Best

£36.45

Average Price

£36.45

Lowest Ever

—

Highest Ever

—

Compare Prices (1 merchant)

Compare prices for Doulton® Nitrate Reduction Cartridge (9F04) for DUO & TRIO systems

Do

Doulton

Best Price
In Stock

Price

£36.45

Shipping

—

Total

£36.45
Go to Store

Price Alert

Get notified when the price drops. No account required.

Get a price drop alert
£

Current best price: £36.45

Product Details

BrandDoulton
CategoryPlumbing
MerchantDoulton
GTIN822355005024
MPNW9125047-01

Related products

See all in Plumbing→
1375x755mm Fully Framed Bath Shower Screen Black Waterproof Easy Clean

CFW

1375x755mm Fully Framed Bath Shower Screen Black Waterproof Easy Clean

£59.99

Best price at Cheap Furniture Warehouse

Compare Prices
Nedis Outlet Pipe Extension Piece with 2 Hose Clips | 19 mm to 19 mm | Grey / Metal

Nedis

Nedis Outlet Pipe Extension Piece with 2 Hose Clips | 19 mm to 19 mm | Grey / Metal

£10.08

Best price at Boxed2me

Compare Prices
Filter Water filter cartridge for Coffee machines Part Philips Saeco CA6702, 21002050, 223070200, 55409048, 55409067, 00704017, 996530071872

Euro Filter

Filter Water filter cartridge for Coffee machines Part Philips Saeco CA6702, 21002050, 223070200, 55409048, 55409067, 00704017, 996530071872

£12.24

Best price at Boxed2me

Compare Prices
Nedis Inlet Hose 3/4'' Straight - 3/4'' Angled 50 bar 25 °C 3.50 m

Nedis

Nedis Inlet Hose 3/4'' Straight - 3/4'' Angled 50 bar 25 °C 3.50 m

£15.47

Best price at Boxed2me

Compare Prices
Nedis Stand for Washing Machine & Dryer | Wire basket | 200 kg | White

Nedis

Nedis Stand for Washing Machine & Dryer | Wire basket | 200 kg | White

£127.39

Best price at Boxed2me

Compare Prices
Nedis Outlet Pipe Hose Extension Piece | 22 mm to 22 mm

Nedis

Nedis Outlet Pipe Hose Extension Piece | 22 mm to 22 mm

£5.87

Best price at Boxed2me

Compare Prices
Nedis Outlet PipeExtension Piece with 2 Hose Clips | 19 mm to 22 mm | Grey / Metal

Nedis

Nedis Outlet PipeExtension Piece with 2 Hose Clips | 19 mm to 22 mm | Grey / Metal

£8.81

Best price at Boxed2me

Compare Prices
Nedis Outlet Pipe Hose Extension Piece | 19 mm to 19 mm

Nedis

Nedis Outlet Pipe Hose Extension Piece | 19 mm to 19 mm

£5.87

Best price at Boxed2me

Compare Prices

Frequently Asked Questions

What is the best price for Doulton® Nitrate Reduction Cartridge (9F04) for DUO & TRIO systems?+
The best price for Doulton® Nitrate Reduction Cartridge (9F04) for DUO & TRIO systems is currently £36.45 from Doulton. We compare prices across 1 merchant to find you the lowest price.
How do I get notified when Doulton® Nitrate Reduction Cartridge (9F04) for DUO & TRIO systems drops in price?+
You can set a free price alert on this page — just enter your email and your target price. We'll email you as soon as the price drops to that level. No account needed.
Is Doulton a good brand?+
We compare Doulton products across multiple UK merchants to help you find the best deals. Check our Doulton brand page for more products and price comparisons.

How we make money

OrganicDiscount is free to use. When you click a link to a merchant and make a purchase, we may earn a small affiliate commission at no extra cost to you. This helps us keep the site running and continue comparing prices across UK retailers. Our rankings and recommendations are never influenced by commission — we always show the lowest price first.