PSI Woodworking D50A Dust Collection Hose Black Flexible 4-Inch x 50-Feet (4" x 50')

PSI Woodworking D4X4JW 4-Inch Quick Disconnect

This Old House

Building Construction Illustrated

Big Horn 11741PK 4-Inch Key Hose Clamp, 5-Pack, Colors may vary

POWERTEC 70106 4-Inch Y-Fitting Dust Hose Connector

POWERTEC 70201 4-Inch Three-Machine Dust Collection Kit

POWERTEC 70108 4-Inch Blast Gate for Vacuum/Dust Collector

PSI Woodworking DBGULP Big Gulp Dust Hood

POWERTEC 70101 4-Inch Wire Hose Clamp, 5-Pack

Woodstock W1044 4-to-2-1/2-Inch Reducer

Woodstock W1003 21-Inch Floor Sweep

Woodstock W1015 4-Inch Y-Fitting

Woodstock W1007 4-Inch Blast Gate for Use with Vacuum/Dust Collectors