20 7/8-22 7/8 S/S Drum Clamp - Quick Release

20 7/8-22 7/8 inch diameter SS Drum Clamp Quick Release - used to connect bottom of B style dust collector flanges to 55 gal waste drums. Sure lock clamping mechanism. 20 7/8-22 7/8 inch diameter SS Drum Clamp Quick Release - used to connect bottom of B style dust collector flanges to 55 gal waste drums. Sure lock clamping mechanism. Quick-Release Worm-Drive Duct & Hose Clamp 20-7/8 to 22-5/8" Clamp Range, 5/8" Band Width"