Eyes, look at pads, looks like there's a mm or two left, better replace. No need for an indicator, you can see where the pad ends and the metal begins.
Near Buxmont Pulmonary and Sleep Medicine. 1  St. Mary Center for Rehabilitation & Healthcare Medical & Health. 2  North Penn Smiles Hospital. 3  North Penn Family Medical Associates Hospital.  Hospitals in Montgomeryville, Pennsylvania.
Albuterol/Proair HFA/Proventil/Proventil HFA/Respirol/Ventolin/Ventolin HFA Respiratory (Inhalation) Aer Met: 1actuation, 90mcg. ProAir RespiClick Respiratory (Inhalation) Inhalant: 1actuation, 90mcg. DOSAGE & INDICATIONS For the treatment of acute bronchospasm (e.g., asthma) and bronchospasm prophylaxis.