3M BT-40 Neoprene Rubber Heavy Duty Breathing Tube (1/EA) Disposable Clothing Reduction in fabric allows for

Reduction in fabric allows for more natural head movement and eliminates the need for frequent hood adjustments due to shifts in the excess fabric

Internal Sample Pump

For longer-duration air supplies

3M GoggleGear snaps onto the back of the Lexa lens and locks securely into place over the temple "studs" to create a versatile

Soft temple tip pads provide a secure

3M BT-40 Neoprene Rubber Heavy Duty Breathing Tube (1/EA) Disposable Clothing Reduction in fabric allows forThe 3M Versaflo BT 40 Breathing Tube connects any Versaflo Headtop to any Versaflo air source. It features a durable, heat resistant neoprene rubber material for rugged applications.