The PFT Elliptical Filter
Box of 100
The bacterial filter mouthpiece is elliptical in shape, white in color, and each box contains 100 filters. This low resistance filter protects PFT/ spirometry systems with >99% bacterial protection. It is made for a more comfortable fit and for optional use without rubber flange mouthpieces.
Filter Size: 28.4 mm OD | 26.4 mm ID
Designed to accommodate use with the Following PFT Equipment: Nspire® PFT, Koko® PFT, Collins® DCll & Body Box or Gas Systems
Manufactured by: Polytechnic Resources, Inc., SKU 100758EW