... : 22Units×4Pcs=88Pcs×36W, up and down interleaving installation, with electronic ballasts.Generator cabinet: Intake from side upper, exhaust from ... with heat preservation material inside.Intake and exhaust system(2 sets): Inlet: 2 sets, in total 4×7.5KW double-intake centrifugal ... /h for each fan; Outlet: 2×11KW double-intake centrifugal fans, with motor outside, belt-drive, model TAE-710H, air capacity ...