20 x 20 x 4 MERV 13 Aftermarket Replacement Filter (each

Actual Dimensions: 19 1/2" x 19 1/2" x 3 3/4"
MERV 13, MPR 1500-1550, FPR 10
Fights lint, dust mites, mold spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria.
Every 12 Months
Qualifies for Free Shipping