expands to cover large wound areas

and air can be easily purged from the system

carotid arteries

and allows for realistic ventilation resistance

Velcro closure for easy fitting and removal

Mask - Universal tilsløringsmaske Røg Category_Optisafe/Undervisning/Simulationstræning/Ultralyd/Infusion Nursing/Pediatric expands to cover large woundUniversal Obscuration Mask Smoke Ruth Lee's universal obscuration mask is constructed from opaque, flame retardant PVC (meets BS1763 Type 1B) with a polypropylene webbing frame and velcro closure. Purpose: Designed to simulate a smoke filled environment during smoke diving training (BA training). Product Features: Constructed from flame retardant PVC (BS1763 Type 1B) Durable polypropylene webbing frame Velcro closure for easy fitting and removal Quick