Construction of epoxy powder coated zinc plated steel with removable spillage tray of moulded PVC (of stainless steel on request for strong solvents), microprocessor based monitoring system, complete of: microprocessor system, lighting, prefilter, visual and auditory alarms ( for: air barrier out of max./min. thresholds, prefilter clogging, filter saturation, anemometer failure, gas detector failure, motor fan failure). Depending on the cabinet size, the filters will be: No. 1 filter for ChemFAST Elite 06, No. 2 filters for ChemFAST Elite 09, No. 2 filters for ChemFAST Elite 12, No. 3 filters for ChemFAST Elite 15 (2 filters for ChemFAST Top 06 plus 1 for ChemFAST Top 09).