Filter set Nordic S4
Filter set for Nordic CL2/3/4. Consists of two filters for supply and extract air. F7 filtration for clean and fresh air in your house.
Filter set Nordic S4 with F7 filtration for fresh air in your house.
F7 filters with ePM1 55% filtration will protect you from 55% of harmful particles bigger than 1μm (smog, odors, bacteria). F7 filtration is used in hospitals, food and other industry.