Air Extraction Spray Booths - BenchVent BV100H-D, The BenchVent Graphic Air Filtration System (Flexi-Ducted) BV100H-D is an air extraction unit that is ideally suited to use as spray booths for a wide variety of applications in the studio, classroom or workshop. A 710m³/hr air volume capacity caters for many applications and all odours and gases exrtacted are vented to atmosphere via two flexi-ducts so that the working environment can be kept free of contaminants. The design of the unit means that it is suitable for use with objects such as: prototypes, models, ceramic parts, PCBs, etc. An A2 or an A1 drawing board can be accomodated, being put in at an angle for efficient overspray capture. Air extraction is carried out by two centrifugal blowers via a three stage graduated fibre particulate filter that has a high particle holding capacity, ensuring long filter life. The filtered air is exhausted via a flexi-duct which may be either fixed to a standard domestic vent or placed throug