The SDI Diagnostics PulmoGuard Filter and Nose Clip Kits are high-efficiency, single-use barrier packages engineered to streamline clinical workflow and maximize cross-contamination protection during pulmonary function testing (PFT). Designed by SDI Diagnostics, this comprehensive convenience kit pre-bundles an electrostatic plastic filter with a disposable nose clip inside a single hygienic wrapper. This design ensures that clinicians have all necessary patient compliance accessories immediately on hand for precise forced expiratory assessments.