This is what helps to keep fumes and dust from getting out of the booth and into your lungs. The most important feature is that it needs to be able to create a positive air pressure. When purchasing a spray booth, you will also want to make sure that it has the right features. So, it is important to find the right size for your individual needs.
Some people may prefer working with smaller models and miniatures, while others may need a booth that is larger in size. Spray booths are very versatile tools that can come in many different sizes.