Review on 90686 Coupling 88 1040 01 SVR 4510 4-Pack - Shop Now for Reliable Connections by James Gregg

I have several vacuum hoses, some of which are actually "vacuum cleaner" brands. This connection set only works with original industrial vacuum cleaner hoses. My other hoses don't fit properly. I didn't expect this problem because I already had two old "vacuum cleaner" couplers that fit all of my hoses. These new connectors do not taper as much as the old connectors. The result is a very loose fit. For my needs, these new couplers are useless, so I went back to Revain. Again, they work with my genuine ShopVac brand hoses, so they might work well for you.