An air cutter (also called an air curtain) fits above your door and blows a fast, steady stream of air downward, like an invisible wall. Your door can stay open for customers, but the cool or warm air inside stays in, and flies, dust, and smoke stay out. It’s useful for shops, showrooms, restaurants, hospitals, cold storage, and warehouses. It lowers AC load, so you can save on your ... https://cronaxcleanroom.com/chennai/air-curtain-manufacturers-in-chennai/