Vitalograph SafeTway One-Way Valve Mouthpiece Tubes
The low resistance SafeTway mouthpiece allows entry of expired air into the measuring system, but not back to the test subject.
Features:
Note: Multi-Quantity are avail, pictures show one of the actual units, all are in similar conditions,
Parts are hand marked and Serial Numbers Recorded to prevent fraud
Buyer receives only what pictures show
Fast / Safe / FREE Domestic Shipping
INV# DOF-RM3E1-1001-6-22/6-24
FDA REGULATION:
"The sale of this item may be subject to
regulation by the U.S. Food and Drug Administration and state and local
regulatory agencies. If so, do not bid on this item unless you are an
authorized purchaser. If this item is subject to FDA regulation, I will verify
your status as an authorized purchaser of this item before shipping the
item."