Product Name.
Model No.
Product Specification.
Size.
Breathing
System Filter
GZ-GL-4
With mouthpiece
itself.
Machine I.D.
25/28/29.5/30/30.5
Machine O.D.
30/30.5
Mouthpiece
Detachable.
22/24/25/28/29.5/30/30.5/45.5
26/30/30.5