Graham Field Trachea Tube BrushesThe Graham Field 3399 series (Grafco Labtron) is a specialized line of clinical cleaning instruments designed for the maintenance of tracheostomy tubes and inner cannulas. These brushes are engineered with specific lengths and diameters to match the standard sizing of tracheal tubes, ensuring a precise fit that removes secretions without damaging the instrument. The 3399 1 model provides an extended 14 inch reach for deeper cleaning, while the 3399 2