Our dual trailer-mounted or single skid-mounted 4 bag filter offers 400 gallon per minute (GPM) maximum flow at 150 PSI maximum operating pressure. It has 4" ANSI flanges and ergonomic side inlet/side-outlet orientation. Differential pressure gauges help you keep an eye on the performance of your filter, while the low-pressure drop and positive cover seal make operation easy. The carbon steel perforated baskets are easy to clean, making maintenance a breeze. Swing bolt closures ensure safe and secure operation. This product is ASME-certified for your safety.