20x20x3.5 (20.75 x 20.5 x 3.63) Aftermarket Replacement Filter for PayneA(R) by AccumulairA(R)

20x20x3.5 (20.75 x 20.5 x 3.63) Aftermarket Replacement Filter for PayneA(R) by AccumulairA(R) - Do not be fooled by the small difference in appearance with this filter. Although ""aftermarket"", Accumulair has designed this filter to work just as efficiently as its original counterpart at a fraction of the cost! This filter is produced with a material able to withstand mold development, mildew, bacteria and more! So be wise and go with the lesser price! Accumulair will not leave you disappointed.