POWERTEC 70291-P2 4 Inch Port to 2-1/2 Inch Hose Tapered Adapter Dust Collection

POWERTEC 70345 Dust Collection Reducer Fittings, 4" to 2-1/2", 2 PK SET. POWERTEC Dust Collector Y-Fitting 6" to 4" Hose Reducer for Dust Collection 2PK. Featuring a tapered design, this unique adapter/reducer sits firmly inside your fittings and possesses a small and large end - both with tapered profiles intended to give you a no-nonsense fit for your dust collection hoses and components.