
Premium Medical-Grade Disposable Spirometry Filters for Reliable Testing. Medical Grade Material: Made of new medical grade ABS and hydrophobic filter membrane for safety. High Filtration Efficiency: 99.99% filtration effect, effectively filtering bacteria and dust. Universal Compatibility: Suitable for all brands of pulmonary function devices with various connector sizes. Cross-Contamination Prevention: Single-use design minimizes cross-infection and protects patients. OEM/ODM Customization: Supports logo printing and customized packaging specifications. Five-Year Warranty: Comprehensive quality guarantee period of five years for reliability. Strict Quality Control: Products inspected by three quality inspectors before packaging. Direct Factory Supply: Manufacturer direct sales with OEM/ODM services available.