Weather Tight Self-Adhesive Vent - Black

Self-adhesive, waterproof valve measuring 10.16 cm x 12.7 cm. It is used to create a waterproof opening in the blanket that allows air to flow under the blanket, reducing moisture build-up without compromising the blanket's integrity. The upper part is movable for easy installation. Serrated edges with raised walls allow for vertical or horizontal installation.