Inquiry (采购产品): vacuum to be used instead of portable. I am putting togather a proposal for the plant I work in and would like to consider your products. we have over 100,000 Sq feet and daily clean 21 machines throught the building. At present we use 7 hepa canister vacs. The noise level and damage draging these canisters around are my major concerns. **** Hidden Message ***** Frank Servine 98580 Company: USPS E-mail: fservine@hotmail.com **** Hidden Message ***** fservine@hotmail.com