Fits Models:TBT3V1B2 TBT3V1T2 TBT3V1F1 TBT3V1H1 TBT3V1P2 TBT3V1B1 TBT3V1T1 TBT3V1P1. Lower Duct Hose. Adding a steel cage to the hose will kinks and hinder suction. Easy to install, no glue required, just screw into place.
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