The blue model is low-flow, working less than 15 liters per minute (LPM) for three seconds.
The vibratory flutter valve comes with instructions as well on how to operate the device and optimally use it to your benefit.
May be used with mask or mouthpiece Nebulizer
Allows inhalation and exhalation without removal from mouth
Blue model: 15 LPM for three seconds

Technical Details

Product Details

Package Dimensions
Width : 5.2 inch
Height : 2.4 inch
Length : 5.5 inch

Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B00B9BP0OU