1. Description: A professional medical chest drainage system used together with suction tube during and/or post chest operations.2. Components: Bottle, Connectors, Evacuate valve, Pressure adjust valve, Suction tube, Drainage adjustable valve, Floating ball, Straw tube, indicator, Hook system.Size and Tolerance for the Drainage systemQut Size:Basic Size: 186x150x260Tolerance: +/_20Collection Volume:Basic Size: 2000mlTolerance: +/_8%Out diameter of tube:Basic size: 14.0(F42)Tolerance: +/_0.5Length of tube: ≥900