Hastings AF2308 Radial Seal Outer Air Filter Element Fully meets filtration requirements of the application Radial seal gasket and end cap formed from special urethane compound will not degrade under temperature extremes, changes in restriction or vibration Flexible outer edges allow deflection for easy insertion and removal in housings which have minimum clearance PermaPleat construction provides even pleat spacing to prevent bunching and insure maximum element life Spiral glue binding provides added pleat stability to optimize media effectiveness