Nebulizer mask 1.Material:PVC 2.Type:Adult/Pediatric 3.Nebulizer accesory:nebulizer jar+2m tube+XL/M mask 4.Certificate:ce The oxygen masks convey oxygen or the steam to the patient connected with respiratory system.1.Material:made of clear,non-toxic PVC.2.Type:Adult/Pediatric nebulizer mask3.Nebulizer accesory:nebulizer jar 6CC4.Color:,green5.Function:Medium concentration,adjustable nose clip, ...