a portable battery-operated fresh air circulation device designed to provide a continuous flow of filtered air into a protective hood for the purposes of allowing the wearer to breathe fresh air and cooling the wearer's face, head and neck by the circulation of fresh air through the hood

'air':7,18,33,48 'allow':27 'batteri':4 'battery-oper':3 'breath':31 'circul':8,45 'continu':14 'cool':35 'design':10 'devic':9 'face':39 'filter':17 'flow':15 'fresh':6,32,47 'head':40 'hood':22,51 'neck':42 'oper':5 'portabl':2 'protect':21 'provid':12 'purpos':25 'wearer':29,37

PRO-AIR

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