PRODUCT FEATURE 1. A Circular square pressure gauge with a clip & magnifier saves installation space. 2. The pressed-in self-locking mechanism can prevent the set pressure's abnormal movement caused by external interference. 3. Balanced design is adopted for the pressure adjustment mechanism. 4. Unique diversion structure spins the air flowing through to effectively separate the liquid from the air & reliably filter the solid grain. 5. The filtering grade includes 0.3um & 0.01um (optional). 6. Two drain types are available: semi-auto drain & automatic drain. 7. Three materials of bowl available: PC, Nylon & metal. 8. The bracket can be selected for installation. read more