PRO-V is the latest environmentally friendly professional fluid for high-end performance, with better light transmission feature, producing much brighter burst of fog and dissipating in seconds, perfect for creating instant atmospheric columns. With special modulation, it has good light transmission. Coloured smoke column will be brighter. Safe and environmentally friendly. PRO-V fog fluid is made of water-diluted high quality food grade multifunctional alcohol, and it adopts a double reverse osmosis and UV filter purification, which ensures natural and germ-free fluid.