A:Answer Hi, for this Dryer draining hose, the threaded end is about 1" and the other end is approximately 1/3" for the Washer WFW5620HW we suggest having a look at the installation documents, as there are some different drain hoses available. Here is the link to that document, and you can find the options on page 2: https://bit.ly/2VFv8vu We hope this helps!