S-TRAP INERTIAL FILTERS Setting up your business in a sand/dust storm prone area? Worried about heavy dust load on your air filter? AAF has a solution for this too, the S-Trap inertial filters is designed as a bolt-on pre-filter for air handling units, engines and other machinery in areas with sand or dust storms or with exposure to heavy dust loads. The S-Trap HD (STHD) casing and other critical parts are made from thicker 3mm steel and welded together to ensure durability, vibration resistance and support during harsh conditions. The S-Trap HD inlet grille is easily removable for inspection or replacement of the filtration elements. The S-Trap HD shares the same efficiency and filtration capacity of the STL model with an arrestance of 92% when tested with SAE J 726 Coarse Dust. The S-Trap HD also operates at reduced flow with a pressure drop as low as 50Pa while maintaining efficiency above 90%. · Industry leading c