The Hisern Medical tracheostomy filter is designed for installation on tracheostomy tubes to filter inhaled and exhaled air, humidify, warm and protect the respiratory tract from microorganisms, dust and other harmful particles. It is used in hospital, outpatient and home settings. Advantages: Efficient filtration: Reliably traps viruses, bacteria and fine particles. Air humidification and warming: Prevents drying and irritation of the tracheal mucosa. Low breathing resistance: Comfortable for the patient even with prolonged use. Light weight: Does not put stress on the tracheostomy tube. Transparent body: Allows visual monitoring of the filter condition. Universal connector: Easy to connect and securely fixed.