Air filtration hoods and spray booths benchvent bv100h the benchvent graphic air filtration system bv100h is capable of filtering 650msup3hr of air and has been designed to be used in the studioclassroomworkshop to protect operators and maintain environmental cleanliness and is ideal for art graphics design technology crafts modelling etc the spray booth uses two filters for effective air filtration the particulate intake filter is a 3 stage graduated fibre filter that has