Assuming you need to replace the vacuum tubing on your vacuum cleaner:
1. First, you'll need to identify which size tubing you need. You can do this by measuring the outer diameter (OD) and inner diameter (ID) of the current tubing. Most vacuum cleaners will use 1/2-inch or 3/4-inch OD tubing.
2. Once you know the size tubing you need, head to your local hardware store or home improvement center. They should have a variety of options in terms of both material and length.
3. When choosing replacement tubing, be sure to pick a durable option that can withstand high temperatures and wear and tear. PVC is a popular choice for vacuum cleaners since it's both strong and flexible.
4. To install the new tubing, simply cut it to size (if necessary) and connect it to the vacuum cleaner using hose clamps or a similar method. Make sure there are no leaks before turning on the vacuum cleaner again!