Breathing Circuit For Anesthesia, For Adults, 1.6 M/ Add. Hose 0.5 M, Disposable, Non-Sterile, Outer Diameter Ø 22 Mm 22F|22M/15F, Straight Connector, Smooth-Bore Tube; Respiratory Filter For Adults, Efficiency 99.9%, Disposable, With A Hydrophobic Membrane, Electrostatic With ... More