Configuration:Filter, Prefilter, Postfilter

Width:18", 19", 28", 72", 48", 60", 36", 24"

Filter Type:Carbon, Type AC, Formaldehyde, Type CI, Ammonia, Type CX, HEPA, Ammonia Carbon, Acid Gas Carbon, Organic Carbon, Type AC, Formaldehyde Carbon, Organic Carbon, ULPA, Trace Odor, Mixed Carbon, Impregnated Carbon

Manufacturer SKU:3923400, 3923400, 3923400, 3707900, 6910200, 6910300, 6910400, 6910500, 6933200, 6911000, 6938100, 6938200, 6938201, 6938202, 6938203, 3859500, 3859501, 3859502, 3859503, 3859600, 3859601, 3859602, 3859603, 3435601, 3435602, 3435603, 3838400, 3838401, 3838402, 3838403, 3838500, 3838501, 3838502, 3838503, 6938204, 6938205, 3406000, 3406001, 3406002, 3406003, 3768903, 3885700, 3885701, 3885702, 3885703, 9577401, 9577402, 3707901, 3707902

Voltage:120 V, 240 V

Configuration:Guardian Jr., Guardian 500, Guardian 1000, Guardian, Digital, Guardian, Analog

Manufacturer SKU:9743208, 9743210, 3944700, 3944701, 9743213, 9743214, 3908800, 9743211, 9413400, 9413300