The AsthmaMD™ is the most accurate peak flow meter in its class

Special Original Flat Panel support belt 2-3/4" center opening

All are composed of Cryovak odor-proof material and have a waterproof comfort backing

natural material creates a comfortable undercast surface for either synthetic or natural casting materials

Shiley™ Tracheostomy Tube, Pediatric, Size 2.5, 39mm, 2.5mm ID, 4.2mm OD Creams & Ointments The AsthmaMD™ is the mostComfort recess behind the connector to help reduce inferior stoma irritation. Trach tie recess facilitates the placement of securing devices without pinching the patient's skin. The low profile, low pressure TaperGuard cuff is designed to help manage ventilator dependent patients.