Adaptors and Couplings: Dimensions are in the Object names.

Nothing more frustrating than purchasing a kit and having to turn around and buy more adaptors to make that kit work. These are the couplings and adaptors you will need to mate the 4" Powertec dust collection system matched to the Bauer cyclone vacuum set up. The 2 1/2" threaded vacuum hose adaptor is tight enough you will not need a hose clamp ( doesn't hurt to add one) and can be screwed on to the hose with minimal effort. I find the taper for the 2 1/2 " hose adaptor works quite well with my various equipment where I don't have to change out. You will need to add a hose clamp to the coupling for the 4" main vacuum system to the cyclone, because I did not add threads (I may in the future).