Recommended for use with most cordless Howard Leight foam ear plugs. The LeightSource 500 provides a highly visible, user-friendly, permanent hearing protection center. Built with heavy-duty anodized aluminum and designed for wall installation, the LeightSource 500 dispenses earplugs with a simple turn of the handle, providing a hygienic and economical source for earplugs. The LeightSource 500 is ideal for large factories and process industries that have zero tolerance for packaging waste. Fill with Howard Leight 500 pair refill boxes.