Doulton® BioTect Ultra SI (BTU SI 2505) Drinking Water Filter Cartridge - Anti Scale Filtered Water Bottle and cysts such as Giardia

and cysts such as Giardia and Cryptosporidium

- 2x Elbow Stems

It effectively removes chlorine and heavy metals while inhibiting the growth of bacteria

Durable & Reliable – Built for long-lasting performance

Doulton® BioTect Ultra SI (BTU SI 2505) Drinking Water Filter Cartridge - Anti Scale Filtered Water Bottle and cysts such as GiardiaA cartridge water filter produced from a ceramic microfiltration body and an activated carbon block, Biotect Ultra SI is our most advanced water filter yet. As well as delivering Doultons exceptional standard performance, its the ranges only water filter cartridge to reduce monochloramine, cadmium and mercury and prevents scale deposition. As a replacement water filter cartridge, its designed for use with undercounter water filters with an M12