1. Technical Bulletin Bulletin No TCH 008 034 A Effective Date 8 2 00 Cancels NA Page 1 of 1 Subject AD SP CARTRIDGE CHANGE Bendix is introducing a new cartridge for the AD SP and AD IS air dryers The new cartridge is 6 30 inches in height and weighs 5 72 pounds The drying performance remains identical to the current unit The current cartridge will be obsolete and there will be a part number change as follows Description Obsolete P N New P N New Product Description AD SP Cartridge Kit 109994 5008414 Height 6 30 inches Weight 5 72 pounds AD SP Air Dryer