3M COMPANY DP02DC-4 Filtrete Filter, 20 x 20 x 4-Inch, White
The FILTRETE, 20 x 20 inch x 4", Allergen reduction filter, 3 month filter, for housing units accommodating 4 inch nominal size filters & is for residential use, electrostatically charged, attracts & captures particles like pollen, mold spores, & dust mite debris, MPR rating 1550, last up to 12 months, actual size: 19-3/4 inch x 19-3/4 inch x 4-3/16".
