Heat pump filters
Alpha Innotec heat pump filters
Autoterm
Bosch
Elektro Standard
Inventum
IVT warmtepomp filters
Nefit
Nibe warmtepomp filters
Nilan heat pump filters
STIEBEL ELTRON
Tecalor filtershop
Check the heat pump filter for dirt once a year. If the filter is dirty, you have to replace it. Filters must not be vacuum cleaned or cleaned.