This 12-1/2" x 20" x 3/8" is used in ducted and non-ducted range hoods, microwaves, bathroom fans, air cleaners, and other applications requiring odor removal.
Constructed of charcoal impregnated polyester media sandwiched between 2 layers of galvanized expanded steel.
Filter life of 6-12 months.
Approximately 12-1/2x20x3/8 or 12 1/2x20x3/8 or 12.5x20x.375