Compatible Models: CV-S150E7 CV-S150E8 CV-S350E4 CV-S350E5 CV-S350E6 CV-S910 CV-SD200 CV-SD300 CV-SD700 CV-SD900 CV-SE300 CV-SE900 CV-SF300 CV-SF900 CV-SV90G CV-SV90H CV-TS500, CV-TS800 CV-Y350 CV-SE300 This is the dust box for Hitachi's Power Boost Cyclone vacuum cleaners. It has been lightly cleaned.