This steel 5 3/4" long 35mm to 1 1/4" adapter will fit the Hoover Duro and Maytag canisters in their S3590 series to enable the use of standard USA 1 1/4" attachments. These include attachments on Shop-Vac, Eureka, many Electrolux models and some Hoover uprights plus various other USA brands. You will find a number of attachments for use with this adapter described on our Attachments to fit American Standard Size Vacuums page.