The SDI Diagnostics Spirotubes (Type P Cardboard Configuration) are premium, single-use mouthpieces designed for standard pulmonary function testing, spirometry screenings, and peak flow monitoring. Engineered with a specialized structural footprint featuring an approximate 32 mm inner diameter and a 34 mm outer diameter, these disposable tubes establish an airtight friction-fit connection over matching diagnostic flow heads. Fabricated with precision-cut, smooth edges, they optimize patient lip comfort and prevent mucosal irritation during intense forced expiratory maneuvers. The rugged composite cardboard walls possess an optimized structural thickness that actively resists moisture absorption, bending, or collapsing under firm teeth clenching, ensuring an unrestricted airway for highly accurate flow and volume measurements. This single-use format streamlines high-volume clinical workflows by offering an instant, hygienic barrier that minimizes cross-contamination pathways while completely eliminating the administrative time, labor hours, and equipment wear associated with chemical sterilization protocols between patient appointments. This specific product code designates the volume packaging configuration, supplying a master case of 500 total spirotubes organized internally as five convenient dispenser bags containing 100 individual pieces each.
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