Items supplied: - 1 x small flange with hose nozzle, aluminium, KF DN 25, for tubing with inner Ø of 10 mm. - 1 x clamping ring, aluminium, KF DN 20 / 25. - 1 x external centering ring KF DN 20 / 25, with sealing ring NBR. - 1 m vacuum tubing DN 8, rubber. Items supplied: - 1 x small flange with hose nozzle, aluminium, KF DN 25, for tubing with inner Ø of 10 mm. - 1 x clamping ring, aluminium, KF DN 20 / 25. - 1 x external centering ring KF DN 20 / 25, with sealing ring NBR. - 1 m vacuum tubing DN 8, rubber.