4 Inch Stainless Steel Hose Clamps with Adjustable Worm Gear (4-Pack) Variable fan speed controller 120 volts Strong and flexible duct: 3-layer

Strong and flexible duct: 3-layer aluminum foil laminate ducting with built-in steel wire spiral structure

Clamping Range: 5

clothes dryers

Made of 100% stainless steel

4 Inch Stainless Steel Hose Clamps with Adjustable Worm Gear (4-Pack) Variable fan speed controller 120 volts Strong and flexible duct: 3-layerVabink 4 inch stainless steel clamps are perfectly suited for connecting ducting, hoses, tubes, and pipes of 4" (100 mm) diameter. Tightly secure large duct components such as flexible aluminum foil ducts, hoses, inline booster fans and carbon filters together. Stainless steel clamps are with adjustable worm gear drive, rust resistant, durable and lightweight. Band, housing and screw are all made of stainless steel. Clamps are flexible and ductile.