CPR MaskFeaturesMade of durable plastics for easy cleaning and long product life, with PE plastic packing or portable caseStandard 22mm fittingsFive colors of case available, red, yellow, blue, green, whitePrevent direct contact during artificial respirationTransparent dome allows rescurer to visually check patient's lip color and vomitusLatex-free 100% medical level PVC material Foldable mask designOne way valve with high efficiency filter.