Wide compatibility: If the vacuum hoses or extension wands of your vacuum cleaners are circular and inner diameter of them are from 33mm to 38mm, this adapter kit will work for you ( please check your vacuum hose before order). If inner diameter of your vacuum hose is bigger than 38mm, please try to combine adapters to solve your issue. Adapters for Power Tools: Two adapters with 4 and 5 layers are compatible with many vac hoses. You can cut and use five specifications and sizes according to your own requirements. You can try to combine this adapter together another adapters to have more options. Your circular saw, table saw or orbital sander has an extra outlet for the suction – but the vacuum cleaner or vacuum cleaner hose is too big. These adapters can help you resolve it. Bissell and Dyson V6 Vacuum Attachment Adapter: Bissell adapter is compatible with Bissell Cleanview Swivel Pet Crosswave 2252 2489 2486 2254 22543 24899 1831 , Electrolux Oxygen vacuum, it help these vacuum cleaners can use 1 1/4 inch vacuum accessories or 1 3/8 inch vacuum attachments. Dyson V6 adapter connects Dyson vacuum cleaner (V6 DC59 DC65 DC39 DC44) to 1 1/4 inch vacuum accessories. (NOT compatible with other Dyson models)