Abstract: A system for supplying and carrying air into the interior lens of a closed mask, helmet or goggle for the purpose of removing accumulated precipitation from the mask lens consisting of a battery powered air pump or aerator of any size or type which removably attaches to a person or a mask, helmet or goggle by a clip or other type of fastener which may be carried within a vest, belt pouch or on a belt pouch or on a belt or other form of carrying device or casing, or which may be build in as an integral part of a mask, helmet or goggle whereby air is carried from said pump through a single or multiple lines(s) of flexible plastic, vinyl or other type of flexible tubing or molded tubing which can be detached, or broken into two pieces, by a disconnect piece/connector (a quick disconnect piece) and whereby said tubing communicates between the pump outlet and the interior of the mask, helmet or goggle and air is directed onto the lens of the mask, helmet or goggle through some type of air inlet adapter, or air dir