Adjustable Venturi Mask
*Made of clear, medical grade PVC
*With adjustable nose clip, elastic strap and latex free
*Single diluter for one concentration, six diluters can be selected
*Color: green transparent, white transparent and light blue transparent is available.
*Length: with 2m tubing, different length can be customized
*Anit-crush tube can ensure oxygen follow even if the tube is kinked
*Packing: individual PE packed. 50pcs/carton or 100pcs/carton.