BambooMN brand bamboo floor register flush vents (also known as a "framed" vent) that's installed at the same time as the flooring. These flush strand woven bamboo floor register vents are made from 100% bamboo (Panda Safe - not from the bamboo that pandas eat). A perfect addition to a perfect floor. Don't spoil the beauty of your bamboo floor by using a cheap old metal floor register! These strand woven bamboo registers highlight your floor and add value by giving a custom made built-in appearance.