To fit Numatic Vacuum Cleaners. Fits Numatic GEORGE NV300, NVD402, 300, 380, NV350, NVE3, 350, CHARLES CVC370, NV375, NVQ380, 356, EDWARD EVR370, NV380, NVQ402, 360, GEORGE GVE370, NV402, WV370, HZ356, HZ360, NV370, EV370, NVE3, NVR3735, AV380, NV475, NVQ402.
