AlphaProTech PFL Mask. AlphaProTech Model# Positive Facial Lock® (PFL) Design Enables Facial Seal For Any Size Face. ASTM Level 3. T he Integrated Magic Arch® Maintains Large Easy Breathing Chamber.
AlphaProTech PFL Mask. AlphaProTech Model# Positive Facial Lock® (PFL) Design Enables Facial Seal For Any Size Face. ASTM Level 3. T he Integrated Magic Arch® Maintains Large Easy Breathing Chamber.