Convert 1-3/8 inch to 1-1/4 inch: This vacuum cleaner hose adapter allows you to convert 1-3/8 inch vacuum hoses or attachments to accommodate 1-1/4 inch attachments and fit most attachments. High-quality material: This vacuum cleaner hose adapter is made of high-quality plastic and is durable. Application: This vacuum cleaner hose adapter can convert 32 mm to 32 mm, 32 mm to 35 mm, 39 mm to 32 mm, and 39 mm to 35 mm, meeting multiple needs. Fits most vacuum cleaners. You can check your size before purchasing. Package includes: You will receive 2 vacuum cleaner hose adapters. You can use one as a spare and the other as a backup. Easy installation: This vacuum cleaner hose adapter is easy to install, no tools are required. Simply insert the hose end to convert the hose diameter.