Used Scott 4.5 harness AP50 2002 edition [ 25 Available ] (A2513) Print Listing Inventory #: A2513 Price: $299.00 Status: Available 1-866-FIRETRUCKS Toll-Free sales@fentonfire.com General Used Scott 4.5 harness AP50 2002 edition.Pass,HUD,dual EBSS. Quick connect regulator Will need flow test. 25 available $299.99