Gush Paints: Maintain healthy indoor air quality by turning the largest indoor surface area into an air purifier. Indoor air pollutants are broken down upon contact with gush-coated walls and ceilings. This includes VOCs, mold spores, bacteria and harmful odours. Reap the benefits of healthy air with the innovative, always-on solution, built into high-performance, long-lasting paints. Cair is Gush's flagship paint that has humidity control features. It absorbs and desorbs excess moisture for comfortable humidity levels.