Doulton
Fluoride Pre-filter Cartridge (9B04)
Fluoride pre-filter for DUO and HIP DUO systems. Change every 3 months.
In stock in NZ


Doulton
A two-stage benchtop system: the 9B04 fluoride pre-filter, then a Biotect Ultra ceramic cartridge.
In stock in NZor 4 interest-free payments of $142.49 with ![]()
Official Doulton dealer, in stock in NZGenuine product, sourced direct from the UK manufacturer.What it removes
Every figure names its source.
Tested to NSF/ANSI 401. Doulton specification sheet.
Doulton specification sheet.
Doulton specification sheet.
Doulton specification sheet.
Doulton specification sheet.
Set up and use
Screw the diverter onto your kitchen tap in place of the aerator.
Screw the Biotect Ultra cartridge into the housing, hand tight.
Run water through the filter for a few minutes before first use, as the manual describes.
Turn the diverter to send water through the filter when you want it.
Cartridge replacement
Biotect Ultra is rated for 2,300 L or 6 months, whichever comes first. Fluoride pre-filters every 3 months.
Doulton
Fluoride pre-filter for DUO and HIP DUO systems. Change every 3 months.
In stock in NZDoulton
Rated life 2,300 L or 6 months. Fits Doulton benchtop and underbench systems.
In stock in NZReviews
No reviews yet. Bought one? We would love to hear how you find it.
The 9B04 fluoride pre-filter every 3 months. The Biotect Ultra every 2,300 L or 6 months (manufacturer's instructions).
Not at the moment. Contact us if nitrate is your main concern and we will advise.
Doulton
Stainless steel housing with a Biotect Ultra cartridge. Connects to your kitchen tap.
In stock in NZDoulton
Two stages under the sink: fluoride pre-filter, then Biotect Ultra.
In stock in NZDoulton
Fluoride pre-filter for DUO and HIP DUO systems. Change every 3 months.
In stock in NZ