Are your customers skeptical about the heat-rejecting qualities of your window film? Looking for a way to convince them that all that advanced technology actually does something? Look no further than this convenient glass holder for your heat box. With this component, you can hold your glass panel securely above the heat box and show your customers exactly how much heat the film is rejecting. With this demonstration, even the most doubtful prospects will be convinced, and you’ll have tons more business!