Direct Concave or Convex High Efficiency LED Suspended. Extruded Aluminum and welded housing. Internal components die-formed from heavy gauge cold rolled steel. Customizable configurations (consult PMC Engineering for exact configuration specifications prior to quotation). Damp Location Rated, cETLus Listed. Output up to 1350 lm/ft each direction. 0-10 VDC dimming down to 10% standard. Standard and Custom sizes available.