From LOSMA literature: "The Darwin range is a centrifugal extractor line for purifying air containing oil mists, micro-mists and fumes from cutting fluids (emulsions or neat oil). The Darwin range uses a combination of two filtration types: dynamic (provided by the centrifuge rotation) and static (with integrated post-filtration system) to ensure high performance." Serial No. 7228 New - 2013 SPECIFICATIONS: Air Flow Rate - Maximum............880 CFM Noise Level Range............71 - 76 dBa Suction Inlet Diameter............5.9" (150mm) Type............Mono Centrifuge Electrics............230/460V/3Ph/60Hz Dimensions - Approximate............28"L x 54"W x 37"H Weight - Approximate............200 Lbs. EQUIPPED WITH: LOSMA Guard 20A-D Pre-Filter for chips and dust (Metal and Synthetic filter stages maximize filtration efficiency at high outputs of oil mist mixed with metal chips and dust) *Preliminary specifications pending confirmation