PSI Woodworking D50C Dust Collection Hose Clear Flexible 4-Inch x 50-Feet (4" X 50')

This Old House

PSI Woodworking D4X4JW 4-Inch Quick Disconnect

Building Construction Illustrated

POWERTEC 70201 4-Inch Three-Machine Dust Collection Kit

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

POWERTEC 70136 4-Inch to 2-1/2-Inch Cone Reducer

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

POWERTEC 70106 4-Inch Y-Fitting Dust Hose Connector

GLIDESTORE 4-Inch Key Hose Clamp, Key-Type Adjustable Stainless Steel Hose Clamps, Pipe Clamp, Worm Gear Clamps, Dryer Vent Clamp, Thumb Screw Metal Clamps, Pack of 10 (Easy Turn Clamp) (4-Inch)

Taytools 114915 5-Piece 4" Hose Clamp Keyed Thumb Screw Easy Release Dust Collector Hose Clamps

POWERTEC 70123 O.D. Splice, 4"

POWERTEC 70190 Y-Fitting, 4 x 2-1/2"

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