The cost effective and clean looking AC series allows you to pick a combination of modular style air preparation equipment that best suits your needs. The series, available in 8 size options to ensure optimum performance, offers energy savings, with higher flow rates. Simple assembly and maintenance reduces downtime. Pressure relief, 3 port valve Accessory for AC series Body sizes: 1/8, 3/8, 1/2, 3/4 Port sizes: 1/8, 1/4, 3/8, 1/2, 3/4, 1 Thread types: Rc, NPT, G