The product is a flush gauge guard with a fitting size of 1/4 inch and a dial size of 4 inches. It is designed for measuring air pressure in a range of 0 to 3000 PSI, with a thread type of NPT. The model number is 6216-4-1/4-0-3000 and the brand is ENFM. This product is new without factory packaging and is ideal for use in various industrial applications requiring accurate pressure readings.