... and economic cost 3.good-service 4.CE used sand blasting booth/clean room booth/polishing room BN- ... .Generator Setting2 rows of pits for exhaust air,with quadrate steel frame,blue coated steel,Intake & ... systemGenerator dimension: 1300×1100×1100mm (L×W×H); with 1set 7.5KW fan for intake and exhaust air ... set 50mm EPS heat preservation panel,other 3 sides with PVC soft curtain, curtain color: upper part: ...