Attach the appropriate size mouthpiece on the input side of the Peak Flow Meter. Slide the indicator to the bottom (zero) side of the scale. Take a deep breath, put your mouth tightly over the mouthpiece and blow out hard and fast as possible, a short sharp blast. You do not have to expel all of the air in your lungs.
*Note: All pictures shown are for illustration purposes only. Actual product may vary due to product enhancement.
4.7 Rating 1374 ReviewsOrdered 2 times now…had no issues period…product was a Described…will be doing More Business again.
December 12, 2023
I love my face soap !!!! It arrived within 3 or 4 days of me placing the order......I will definitely be ordering again.
December 08, 2023
Package was send out and delivered in a timely manner. I will reference you all to others.
December 17, 2023
Great price for my wa yang pain patches; fast delivery. No fuss. Very happy!
December 19, 2023
Applied Nutrition
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