Paul Heat Recovery (HRV) or Mechanical Ventilation Heat Recovery (MVHR) filters. F'air filters are a number one brand and always sharply priced. You will receive an extra 5% discount if you order 2 sets or more. You can also choose to have the PAUL HRV filters impregnated with f'air probiotics . Good for your system your indoor climate and therefore your health.
Free Shipping > € 125,- BE/DE > € 75,-