What colors are available for the Alea vent grille covers? Brad November 12, 2019 04:43 Updated For now, the Alea vent grille covers come in white color. Related articles Should I get my duct system evaluated before adding Alea? Is Alea compatible with home automation systems so I can control everything from 1 app? Should I get my heating and cooling equipment evaluated before adding Alea? Can I use a hub other than the Alea smart hub? Why is monitoring VOC's important? Comments 0 comments Please sign in to leave a comment.