First Choice Filter 48 mm OD PFT Filters - 100/case
First Choice Filter - 48 mm OD PFT Filter. Fits Vmax spirometers. 100/case
Transparent filter with disposable mouthpiece
Exceeds ATS performance standards
Filters 99.9% of presented bacteria & viruses
Our 48mm OD PFT Filters fit a wide variety of spirometers: Koko and Collins 4G and 3G
FREE Shipping in the Continental U.S.!