Image showcasing the Doulton brand logo alongside the British Berkefeld.

Find your replacement filter

Locate your replacement filter

To discover the appropriate replacement water filter for your system, easily identify the 4-digit product code situated on the upper part of your filter cartridge to find the replacement in the store.

In the displayed image, you'll notice that 9A04 represents the 4-digit code.

Filters

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Best sellingAlphabetically, A-ZAlphabetically, Z-APrice, low to highPrice, high to low
Filter
Best sellingAlphabetically, A-ZAlphabetically, Z-APrice, low to highPrice, high to low
Filters
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Filter 4 Digit Code
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British Berkefeld® Ultra Sterasyl® (8674)
From $28.00
Sold out
Doulton® Biotect Ultra® (2501)
From $34.00
Sold out
British Berkefeld® Ultra Fluoride (8B76)
From $53.00
Sold out
Doulton® Ultracarb (9501)
$36.00
Sold out
Doulton® Ultracarb SI (9505)
$43.00
Sold out
Doulton® Shower Filter Replacement Cartridges
$20.00
Sold out
Doulton® Limescale Reduction Cartridge (9A04) for DUO systems
$43.00
Sold out
Doulton® Biotect® Ultra SI (2505)
$43.00
Sold out
Doulton® Ultracarb M15 Filter (5594)
From $36.00
Sold out
Doulton® Filter Bottle Replacement Cartridge
$20.00
Sold out
Doulton® Fluoride Reduction Cartridge (9B04) for DUO systems
$43.00
Sold out
Royal Doulton ELITE® Filter Element (4502)
$56.00
Sold out
Doulton® PFAS Chlorine Reduction Cartridge
$43.00
Sold out
Doulton® Chlorine Reduction Cartridge (9C94) for DUO systems
$43.00
Sold out
Doulton® Nitrate Reduction Cartridge for DUO systems
$43.00
Sold out
Doulton® Sediment Reduction Cartridge (9E04) for DUO systems
$43.00
Sold out