Concept is a leading manufacturer of smoke (fog) machines both in the UK and overseas. We sell and hire a range of high-quality smoke generators, smoke fluid/aerosols and associated products. Having been in the ‘smoke' business for over five decades, we are well qualified to offer advice on more unusual applications such as large scale evacuation exercises, tunnel testing, building envelope testing and hot fire training.Concept's core range of water/oil-based smoke machines centres around the Colt 4, the Spirit 900 and the ViCount 5000 and we have an extensive range of specialised machines for a variety of applications. Many of our systems are NATO codified and we have held AQAP 1 / ISO9001 QA certification for almost 20 years.Concept's manufacturing and sales are based in the South of England and we have distributors in Europe, the Americas, Asia and Australia