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Profile: Specific Systems Ltd specializes in building special purpose environmental air-conditioning, heating, ventilating, and pressurization systems. We combine our expertise in HVAC with our knowledge of petroleum & chemical industries to provide packaged solutions to highly corrosive & hazardous (Class I, Division 1, Groups C and D) locations. Our InPac line is available in several formats to fit the needs of individual applications. We offer several product lines, which are specially manufactured to suit specific environments. With a wide variety of options, base units of most product lines can be modified to fit individual applications. Our 60 Series InPac unit is a versatile & durable 1 ton to 3 ton (12,000-36,000 BTUH), through-the-wall HVAC unit. The 60 Series couples multiple mounting configurations, and a small footprint with redundant refrigeration system & rugged construction. Optional NFPA-compliant Type Z purge & pressurization, gas alarms, chemical filtration, phenolic coated coils, & explosion-proof packages combine to create a through-the-wall industrial grade HVAC system. The 60 Series has been specifically designed for heavy-duty use in commercial & industrial applications such as petrochemical, telecommunications, instrumentation control, and electrical powerhouse assemblies. The modular design of the InPac 60 Series allows easy production modifications of the basic unit to convert the basic unit to wall mount, through-the-wall mount, or roof mount types. Our ChemPac chemical filter housings can be used for commercial & industrial applications, manufacturing facilities, or for any other applications where the control of gaseous contaminants may be a concern.