ITO SU-520 SUCTION INTERFERENTIAL UNIT Features * Blow-out Ejector vacuum system: NO WATER reservoir is needed. Virtually maintenance free, since dust or moisture does not adhere to inside tube or connections, resulting in the prevention of blockages or oxidisation. * Re-usable sponge disks. Specifications Power supply 100-240 VAC plus/minus 10% 50/60Hz Current Amplitude (max): 33mA (peak) No. of Channels : 2 Vacuum System: Blow out Ejector method Vacuum Mode: Continuous, Intermittent Safety class Class I, Type BF (IEC) Class IIa (MDD) Standard Kit SU-520 Unit Hoses Suction cups Sponges Power Cord Manual Optional Extras Additional Suction cups Additional Sponges