SMC's?new AF modular style air filter combines the element and bowl in one piece, making element replacement easy.? There is a maximum 46% reduction in size, reducing required maintenance space.? The AF bowl (size 30 and 40) is covered with a transparent bowl guard, allowing 360? monitoring.??The modular design of the AF allows connection with other SMC air preparation equipment. The series is available in body size 20, 30 and 40.