A-M Systems 

VBMax™ PFT Filters combine low flow resistance with high filtration efficiency to help protect the patient and equipment during lung function tests.

Features
• Bacterial filtration efficiency: > 99.999%
• Viral filtration efficiency: > 99.99%
• Resistance to flow:
• 0.75 cm H2O L•sec-1 @ 14 L•sec-1
• 0.66 cm H2O L•sec-1 @ 12 L•sec-1
• Exceeds ATS and ERS standards