RedMax EBZ5100 EB7001 Backpack Blower Tube Kit 4 Piece Includes: Bellows, Swivel Tube, Middle/Straight Tube, and End Tube Swivel Joint Replaces: 516876401, 275051201, 275051200, 516876401 Bellows Replaces: 502842601, T403051110, 403051110 Middle Tube Replaces: 521507901, 681151211, 504064701 Pipe End Replaces:521508001, 848L0L65E, 681151220, 574020701, 848L0L65EO, 848L0L65E0