I have a Shark Navigator NV360 which is a great vacuum except the mounting handle is too short and angled at an awkward angle. I have an extension hose I bought for an old Eureka Boss vacuum but it doesn't fit the Shark which has a larger hose. I called Shark support to see if they sell a suitable extension hose and was told they do not make extension hoses for this model as the extension hose would affect performance too much. It didn't make sense to me so I found this adapter set and figured if it didn't work I wouldn't lose too much for the price. It was only three, not four, but three was enough for me to use my old Shark extension hose. I can even use old Eureka brushes or new Shark brushes depending on which nozzle I use on the end of the hose. There is no loss of suction and this small investment has made my Shark much more efficient when using extension brushes.
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