Venturi Mask

Venturi mask with 2 diluters

•Made of clear, non-toxic PVC

•Two color coded diluters for seven concentration

•Green diluter for 24%,26%,28%,30%

•White diluter for 35%,40%,50%

•Adjustable nose clip

•With lock and adaptor for high humidity

•With 2m anti-crush tube

Venturi mask with 6 diluters

•Made of clear, non-toxic PVC

•Six color coded diluters for six concentration:

24%,28%,31%,35%,40%,50%

•Adjustable nose clip

•Adaptor for high humidity

•With 2m anti-crush tube