4 x 550ltr tanks 3 x 400ltr tanks 4 x 475 ltr holding tanks 1 x mash tun 1x kettle 1 x compresser 1 x glycol chiller unit 1x Mill 1x Heat exchanger All fittings / hoses / thermostats ect . All FVs are jacketed and rated for 15psi except one large unitank FV that’s rated 30psi. The four fridge holding tanks are 15psi unjacketted. This is a complete system to start brewing