In 1906, Doulton introduced a filter that proved to be equal to the one Louis Pasteur had developed in France. The popularity and effectiveness of even the early 20th century designs has resulted in their continued use world wide.
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Home Kitchen Reverse Osmosis RO Membrane Replacement Water System Filter Purifier Water Drinking
Aliexpress UK
"Chlorine reduction" and "Other", per the checked "Box contents" on each of the boxes. "Compatible with the under-counter and counter-top range of Doulton and British Berkefeld range of drinking water filter housings.".
eBay
Home Kitchen Reverse Osmosis RO Membrane Replacement Water System Filter Purifier Water Drinking
Aliexpress UK
Home Kitchen Reverse Osmosis RO Membrane Replacement Water System Filter Purifier Water Drinking
Aliexpress UK
Stainless Steel Household Kitchen Direct Drinking Water Purifier Tap Water Faucet Filter
Aliexpress UK
Kitchen Direct Drinking Water Purifier Seven-stage Stainless Steel Tap Water Filter Ultrafiltration
Aliexpress UK
7 Stage Stainless Steel Water Purifier Filter Direct Drinking Household Water Purifier Kitchen
Aliexpress UK
Stainless Steel Household Kitchen Direct Drinking Water Purifier Tap Water Faucet Filter
Aliexpress UK
5 stage Ultrafiltration Water Purifier Household Direct Drinking Water Purifier TapWater Filter
Aliexpress UK