This vintage draft gauge by Bacharach is a must-have for any HVAC and refrigeration enthusiast. The pocket gauge is designed to test the gauge pressure and fill level of dry gauges. Its sleek black colour and durable construction make it a reliable tool for any business, office or industrial setting. The gauge purpose is clear - to provide accurate readings for optimal performance and efficiency. Its unique design features a dry gauge fill, making it perfect for use in various HVAC and refrigeration tools. This vintage draft gauge comes with a case for safekeeping and easy transport.