
High-Performance Pft Filters for Pulmonary Function Testing Devices. Universal Compatibility: Adapted to all brands of pulmonary function devices including CHEST, JEAGER, and MEDGRAPHICS. High Filtration Efficiency: 99.99% filtration effect using hydrophobic membrane to filter bacteria and dust. Infection Prevention: Single-use design minimizes cross-contamination and avoids patient lung infections. Device Protection: Protects equipment from damage and extends the service life of the device. Medical Grade Material: Made of new medical ABS material and electrical cotton for safety and durability. OEM/ODM Service: Supports custom logo printing and various packaging specifications for brands. Quality Assurance: Five-year quality guarantee period with inspection by three quality inspectors. Low Resistance Design: High efficiency with small resistance and no dead angle for accurate testing.