Air supply / exhaust ventilation unit with a plate counterflow heat exchanger, hygienic design.
Air flow: Air supply $\geq +2800\text{m}^3/\text{h}$ (pressure $\text{APt}= 400\text{Pa}$), air exhaust $\geq -2600\text{m}^3/\text{h}$ (pressure $\text{APš}=350\text{Pa}$).