Celina can retrofit standard shelter components to include resistance to, and protection from chemical, biological, and radioactive contaminates; increase thermal efficiencies through treated fabrics; and layer manipulation to ensure safe and efficient use. Standard widths range from 28′ to 44′. Meets all US Military Shelter Standards. Color Options: Desert Tan, Camouflage Green. Optional Add-Ons: LED Lighting System, HVAC / Ducting, Electrical Supply Systems, Solid Flooring, Beds / Cots, Tables / Chairs.