Adjustable Venturi Mask Made of clear,medical grade PVC Single diluter for one concentration, six diluters can be selected Adjustable nose clip Adaptor for high humidity Anti-crush tube With six diluters 24%(blue) 28%(yellow) 31%(white) 35%(green) 40%(pink) 50%(orange) Cat. No. Type LB122001 S,Standard child,2m oxygen tubing LB122002 M,Elongated child,2m oxygn tubing LB122003 L,Adult Asia,2m oxygen tubing LB122004 L+,Adult Europe,2m oxygen tubing LB122005 XL,Elongated adult,2m oxygen tubing
