The Hydro Shield water filter removes total hardness as well as harmful chemicals to ensure correct water supply to the HOUNÖ combi oven. Designed to work together with HOUNÖ combi oven. Filter capacity and need for replacement is managed in the oven's SmartTouch software. Alternatively, the capacity is monitored with the Aquameter.

The Hydro Shield filter pack contains the filter cartridge with hygiene cap and the installation and operating instructions. The water filter system is used to remove total hardness from cold water and is recommended for use for machines susceptible to corrosion.