FSI offers a full range of 100 to 1,500 square feet negative pressure isolation decon shower and shelter systems with double door airlocks, extended zippered connector flaps on each end to attach units to one another. Units have full Velcro seal air vents, canopy to air berm walls, full closure HVAC/Dirty clothes ducts. Fully integrated and plumbed decon shower systems are also available in this format in all sizes. HEPA Air Cleaner and Bio Chem Air Cleaner Machines also offered with systems.