LB1220 Adjustable Venturi Mask
Made of clear, medical grade PVC
With adjustable nose clip, elastic strap with/without latex
Single venturi for one concentration, seven venturies can be selected
Color: green transparent, white transparent and light blue transparent is available.
Length: with 2m tubing, different length can be customized,
Anti-crush tube can ensure oxygen flow even if the tube is kinked. 
Packing: packed in individual PE pack.50 pcs/carton or 100 pcs/carton.