Nunn’s ships all the CPAP supplies to your home before the appointment. During the virtual visit, a respiratory therapist uses a mannequin’s head to demonstrate proper fit.

2. Make sure your mask fits properly Once you know which mask style best fits your needs, you must ensure it fits. An ill-fitting mask is uncomfortable and can leave you with a dry, stuffy nose.

As more county health departments are requiring students to wear masks this upcoming school year, doctors are giving advice to parents about how to properly fit your child with a facial covering.