... : 10 batchX2 pcs=20pcs 36w.7.Ceiling pieces: Spacer& filter channel are powder coated cold plate, support mesh use C style ... : 10 batchX4=40 pcs 36w.8.Ceiling pieces: Spacer& filter channel are powder coated cold plate, support mesh use C style ... /H.12.Purification System: Primary filter bag, ceiling filter 600G purification, glass silk filter, water curtain filter.13.Heating system: Equipped with one ...