Bio Therapeutic BT Shield Replacement Shields - 4 Pack | Compatible with Bio Therapeutic Devices | Perfect for Daily Therapy & Pain Relief

This 4 pack of replacement shields for the bt-Shield Anti-Fog Face Shield are made of high quality anti-fog / anti-scratch. distortion free. clear APET plastic providing perfect clarity for the professional. 4 pack of replacement shields for the bt-shield Anti-Fog Face Shield.? Replacement shields only. frame not included.