According to DIN 1964/4 norm, these rooms in hospitals are divided into two classes:

First class rooms: They are defined as microorganism-free rooms that require high hygienic conditions. These; operating rooms, all areas leading to operating rooms (corridors, sterile material storage, etc.), pre- and post-operative preparation rooms, central sterilization, sterile material storage, intensive care rooms, newborn baby rooms, surgical department, surgical hand washing section, areas with risk of infection. patient rooms, patient preparation rooms, patient recovery rooms, anesthesia device rooms, medical device rooms, etc. neighborhoods. Operating rooms are also divided into classes A and B; Class A operating rooms require a very high hygienic environment. Class B operating rooms are environments that do not require low turbulent flow.

Second class rooms: These are rooms free of microorganisms that require normal conditions. Among these; emergency patient rooms, waiting rooms, cesarean section rooms, patient rooms, clinics, radiology, x-ray, laboratories (blood bank, biochemistry, gastrointestinal, neurochemistry, thyroid-endocrine, hematology, special coagulation, clinical immunology, microbiology), pharmacy, patient recovery We can list the observation room, endoscopy, morgue and autopsy rooms.

Filters used in air conditioning installations of hospitals; We can divide them into 3 groups: pre-filters, precision filters and absolute [or HEPA (High Efficiency Particulate Air Filter)] filters. Additionally, activated carbon filters can be used as the 4th stage to remove unwanted gases and odors.

Clean air in hospitals is vital to reduce the risk of infection and support the recovery process of patients. Air filters also help protect medical devices and equipment used in the healthcare industry. NAF Filter, which will meet the clean air needs and all requirements in hospitals, offers the most appropriate solutions.