Home Infrastructure Environmental Sanitation drain box drain box Description Save Concrete drain box plus drain grate Format DWG File size 57.75 KB DOWNLOAD DWG share your appreciation Related Posts scupper 3d Upflow anaerobic reactor for 1000 people Sewerage system detail of drains sewer 2.10 Sanitation connection Upflow Anaerobic Reactor Sludge drying yard Sewer Urban infrastructure sand trap Sewerage system asphalt plant Industrial wastewater treatment system – 3d effluent plant Septic tank with infiltration field Biological filter peat beds sludge treatment plant 3d model industrial plant administration