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3″ Step Up Adapter for the HA30 3-way Adapter
This 3″ hose adapter is used on the DY2500 2″ Duct Hose Y-Fitting for when you need to adapt one of the runs to accommodate 3″ ducting.
2.5″ Step Up Adapter for the HA20 3-way Adapter
Duct Hose Adapter 3-way (2″ Adapters)
Duct Hose Adapter 3-way (2.5″ Adapters)