We take out grease filters from your restaurant or business and exchange them for clean filters, this done on a weekly, biweekly basis and monthly, at yor convince. We do many different types of hood cleaning, kitchen clean outs. Graffiti removal power washing of sidewalks buildings,Truck washing ,and much more.all work is done to code NFPA96. Please call with any questions. Thank you, Thomas Romano V.P. Royal Filter Specialist of New England Corp.