Both on the move and in-place, the FC12T10, TC20T12 / 14 / 16 refrigeration trailer bodies are built to last. Our unique fiberglass construction ensures every Freeze Box trailer is built to withstand the worst outdoor elements and rigors of local or highway travel. The FC12T10, TC20T12/14/16 refrigeration trailers are available in three standard sizes or can be built to customer specification. These units are designed and run on 115/230V and operate quieter than the industry standard. See more: https://freezeboxes.com/product/small-refrigerated-trailer-fc12t10-12-14-16/