The breath meter provides an easy way to control the inhaler appliance, it will help to count the dogs breaths amount while the indicator movement signals that the mask is tight enough to the dogs face.
Besides the spacer provides an exhalation control system, two valves which the carbon dioxide is released through during exhalation. It prevents exhalation from entering the medicine tank.
3 size masks made of PVС with a diameter of 1.26 inches, 1.65 inches and 2.99 inches are included in the set with Sniff Up spacer. This provides an opportunity to choose a mask the way it covers the dogs mouth and nose, but not the eyes.
Fits all dogs