Williston Force Portable AC   It is only a matter of a few minutes to inspect them with your own eyes and to take a closer look before use. If you discover a crack inside the casing or other damage that raises doubts about the quality of the air coolers, you can simply make use of your 30-day return policy and look for another product. (Any/all of the links on this post are affiliate links of which the author receives a small commission from sales of this product/service, but the price is the same to you. https://www.openpr.com/news/2309338/williston-force-portable-ac-uk-2021-complaints-and-price