5 pieces of vacuum hose converter with 5 different styles, suitable to fit most standard vacuum hoses, which can meet your needs in different occasions There are 3 sizes of vacuum hoses,2-1/2 inch to 1-1/4 inch, 1-3/8 inch to 1-1/4", 1" to 1-1/8" to 1-3/8" to 1-5/8",1-1/2" to 1-3/8" to 1-1/4" , 32mm to 32/35mm,which can make your vacuum cleaner have more chooses of brushes. These vacuum connectors are easy to use, You just need to plug in the adapter to complete, You can also Connect multiple together to make one adapter, Make daily cleaning work easier and faster. These vacuum cleaner hoses are made of high-quality plastic, durable and stable, light weight, not easy to damage, no Air Leakage.