Vitalograph Spirometer BVF Filter Kits include both the Bacterial Viral Filters with Integrated Circular Mouthpiece but also soft nose clip. Available in a variety of sizes to suit different model and brands of spirometers. Come in a box of 50. 

• 28370 Blue Circular Suits: Vitalograph, MicroMedical, MIR & Medisoft Spirometers
• 28372 White Circular Suits: Sensor Medics, Jaeger, PK Morgan & Zan Spirometers
• 28400 Translucent Oval Mouthpiece Suits: Chest, Fukuda & Minato Spirometers

SKU: BVFFILTERKITS