PulmoGuard C Spirometer Filter - Box of 50 The PulmoGuard C Spirometer Filter is designed for reliable respiratory testing with enhanced safety features. This convenient box of 50 filters provides healthcare facilities with ample supply for consistent pulmonary function testing. Advanced Protection for Respiratory Testing Engineered with precision, these filters feature pleated media for optimal functionality and a compact, non-intimidating design that accommodates patients of all sizes. The clear plastic construction allows for 100% quality inspection, ensuring each filter meets rigorous standards. Universal Compatibility Designed to fit most spirometers without requiring adapters, the PulmoGuard C filter simplifies inventory management and reduces equipment compatibility concerns in clinical settings. Patient-Friendly Features Right-sized oval mouthpiece fits every sized person comfortably Denta-grips™ provide a secure hold during testing procedures Small, non-threatening size reduces patient anxiety Features dead volume of less than 70 mL for accurate measurements Manufactured in the United States and compliant with both Buy American Act (BAA) and Trade Agreement Act (TAA) requirements, these filters meet the highest standards for healthcare applications.