Hastings AF723 Inner Air Filter Element

Hastings AF723 is an inner (safety) air filter element designed to work in combination with a primary outer filter. It prevents contaminants from reaching the engine during servicing of the outer filter and adds an additional layer of protection in high-dust environments. Technical specifications: Manufacturer: Hastings Premium Filters Model Number: AF723 Type: Inner (Safety) Air Filter Element Style: Secondary air filter Outer Diameter (Top): 4 7/32 in (107.2 mm) Inner Diameter (One End): 1 15/16 in (49.2 mm) Length: 16 15/32 in (418.3 mm) Efficiency: High-efficiency cellulose media designed for fine particle capture Construction: • Reinforced metal mesh for strength • Precision-sealed end caps for leak prevention • Designed to complement outer primary filter Applications: Works as a secondary element in heavy-duty diesel engines, off-road equipment, agricultural machinery, and industrial power units Cross Reference: Equivalent to other OEM and aftermarket elements (Donaldson, Baldwin, Fleetguard, Wix) used as safety filter inserts Country of Manufacture: USA Please review pictures carefully and let us know if you have any questions!