I i have 2 machines the blowers are stored sepertly ..i have 18 lg. commercial bags of cellulose that goes with the eqyipment..both blowers have brushs. using both machines for R-38 15 in. attic fills the our is12 Large bags per hour..time wise this app. is very efective...one blower is 6 bags per hour. the instlationis stored in a 4 by 8 u haul trailer.. wich is sprayed with polourathain foam to keep the insulation dry in all weather onditiins...call fir details 503 556 7725..no email...it wood be a good additiin for your consruction busisness...its good for weatherizatiin prodjects