Product: POWERTEC 70105 4" Elbow Dust Hose Connector, Black, 4", 90 Degree Elbow
Brand: POWERTEC
Color: Black
Overall size: 8-Inch x 8-Inch x 4-Inch; Provides airtight friction fit
Tough, durable ABS plastic material
Simple and quick to install
Provides a multitude of applications
Both 4-Inch nominal ends measure 3-61/64-Inch O.D. and 3-3/4-Inch I.D.

Search query: 4" elbow duct
Relevance: Exact