Woodson W Mobile Ventilation Station 850 wide W.MVS850.The Woodson W. MVS850 Mobile Ventilation Station is a compact and portable extraction unit, designed to provide effective ventilation in foodservice environments where ducted hoods are not practical. With an 850mm wide design, it is ideal for use with countertop cooking appliances such as griddles, fryers, contact grills, and toasters. Featuring a multi stage filtration system including stainless steel baffles and activated carbon filters, the W.