70276 4Inch to 2-1/2Inch Dust Collection Splitter Fitting,Dust Collection Hose Separator for Worksh INCLUDES: (1) 4" to 2-1/2" Dust Collection Hose Splitter FUNCTION: Allows you to connect a 4" ID dust hose with two 2-1/2" ID dust hoses, while providing minimal suction loss from your assorted connections APPLICATIONS: These dust collection fittings are perfect for optimizing the effectiveness of your dust collector system when paired with standard or other 2.5" hoses BUILD: This y-adapter splitter is made with impact ABS plastic for long-term durability and a heavy duty profile commonly needed for workshop and woodworking set-ups Color: As Shown Material: plastic Package Contents: 1*dust collection hose separator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.