Optimyst RGB Cassette 500 (Floor Model)Optimyst RGB Cassette Transform any space with the reimagined Optimyst Cassette by Dimplex, an innovative fireplace solution featuring new customizable flame colors and authentic crackling sounds. Using advanced water vapor technology, it creates stunningly realistic flames that can be admired from any angle whether in a see through feature wall, three sided design, or open concept layout. Unlike traditional fireplaces, the Optimyst Cassette requires