Australasia's largest manufacturer of Air Distribution equipment, Holyoake Industries Ltd provide grilles, diffusers, louvres, fire dampers, SPIROLOC...
![H [115x115]](data:image/svg+xml;charset=UTF-8,%3Csvg%20width%3D%22115%22%20height%3D%22115%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20115%20115%22%20preserveAspectRatio%3D%22none%22%3E%3Cdefs%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%23holder_19673ee81df%20text%20%7B%20fill%3A%239695aa%3Bfont-weight%3Abold%3Bfont-family%3AArial%2C%20Helvetica%2C%20Open%20Sans%2C%20sans-serif%2C%20monospace%3Bfont-size%3A39pt%20%7D%20%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cg%20id%3D%22holder_19673ee81df%22%3E%3Crect%20width%3D%22115%22%20height%3D%22115%22%20fill%3D%22%23D2D1EE%22%3E%3C%2Frect%3E%3Cg%3E%3Ctext%20x%3D%2238%22%20y%3D%2275.5%22%3EH%3C%2Ftext%3E%3C%2Fg%3E%3C%2Fg%3E%3C%2Fsvg%3E "Holyoake Industries Ltd")
