The SoliTherm® SlimLine Series of enclosure air conditioners from Seifert Systems have an inside-cabinet depth of 3½  inches, are 4½  inches deepand are available with external or recessed mounting. The UL-listed units provide cooling capacities from 1,130 to 5,120 Btuh. Operating temperature range is 50° to 122°F or 50° to 131° depending on model. They also manage condensate with a process that provides drip-free operation by evaporation without consuming additional power. Eight SlimLine models provide flexibility for users to choose the size and cooling capacity that fits their application. SlimLine units have a condenser specifically designed to maintain performance without maintenance — even in environments where dust and dirt are present.  They are available in 120- and 230-V, single-phase or 400/460-V, three-phase power. Housing is available in NEMA 12 powder-coated steel or with NEMA 4X stainless steel cover.