Filtrete Odor Defense Carbon Prefilter for Air Purifier, 2-Pack, Cut to fit most air purifiers

CUT TO FIT most air purifiers | REPLACE YOUR FILTER every 6 months (based on 12 hours of operation per day) | Size: 23.8 in x 20.5 in x 0.2 in | BACKED BY 30+ years of filtration expertise | FOR RESIDENTIAL use only