The ‘SET FILTER VENTILATOR CARTRIDGE EXPIRATORY W/WATER TRAP DISPOSABLE F/AVEA 12Box – 11790’ is a crucial component for ventilator systems, specifically designed for the AVEA model. This set includes 12 disposable cartridges that feature an expiratory filter with an integrated water trap. These cartridges are designed to ensure optimal performance of the ventilator by filtering out impurities from the air. The inclusion of a water trap further enhances the functionality by preventing any accumulated moisture from entering the ventilator system. This product is sold in a box containing 12 units, ensuring you have a sufficient supply for regular replacement, maintaining the efficiency and longevity of your ventilator system.