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Standard Adjustable Ducting Sleeve

Our KB Duct Adjustable Ducting Sleeve is infinitely adjustable, ensuring the ductwork can be installed quickly, hitting every dimension and point needed.

A field fitting adjustment is made by cutting a standard 5′ duct section, sliding the O-ring over the raw end of the pipe, and slipping the Adjustable Sleeve over the cut end. The supplied O-ring replaces the rolled bead of the cut 5′ duct section and secures the sleeve into place when clamped. 

Our Infinite Adjustability feature is standard with all KB Duct fittings. A cut 5′ duct section can be slipped into the collar of a fitting and secured into place with an O-ring when clamped. Additional O-rings may be needed when utilizing this feature.

  • One (1) O-ring is supplied with each adjustable sleeve
  • Add “HT” to the part number to order Red Silicone O-rings with your Adjustable Sleeve
  • If using Stainless Steel add an “SS” to the end of the part number


  • Quickly make adjustments to fit any length of spaced needed
  • Adjustable collars are standard on all fittings for critical short adjustments (applicable only on standard gauge duct/fittings for clamp duct)


  • Material integrity – Premium quality materials for even the most abrasive applications


KB Duct Standard Adjustable Ducting Sleeve

KB Duct designs and builds optimal ducting systems with product selection to address every situation, providing unbeatable attention to detail and flexibility. Our custom design services can manufacture special products for you: If you can draw it, we can create it! Our free 3D design service will transform your rough image into a perfected illustration of a system that we construct and deliver to your business faster than anyone else in the industry. For the perfect system, fast, turn to KB Duct. 

KB Duct cares as much about providing you with the right equipment as you care about your company.  Our large selection of ducting components and application-specific duct solutions for dust and air handling surpasses all others. Location is not a problem; we will build, deliver, and install it for you wherever you need it. Our dedication continues even after production. If any issues arise after your system is installed, KB Duct will resolve them and restore your peace of mind. We are as committed to our products as we are to the people who use them. Trust KB Duct.