URYKEC2 Pcs 70295 Integrated Blast Gate Clog Resistant, 4 inch Blast Gate, For Dust Collection Systems (ABS)

2 Pcs Integrated Blast Gate Clog Resistant, 4 inch Blast Gate, For Dust Collection Systems (ABS)

POWERTEC 70276 4-Inch to 2-1/2-Inch Dust Collection Splitter Fitting

POWERTEC 70260 4-Inch Key Hose Clamp,Thumb Screw Key Adjustable Stainless Steel Hose Clamps for Dust Collectors and Dryer Vent, 10 Pack, Blue