Compatible with Shark BU3521, BU3120, BU3520C,BU3523, IW1615, IW1111, IW1120, IW1111C, IW1120C, IW3511, IW3120, IW3511AMZ, IW3615, IW3110C, IW3111C, IW3120C Detect Pro Lightweight Cordless Vacuum Cleaner.
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