Four Filtrete 20x20x1, AC Furnace Air Filters, MPR 300, Clean Living Basic Dust, 6-Pack (giving 4) exact dimensions 19.69 x 19.69 x 0.81.
https://www.walmart.com/ip/Filtrete-20x20x1-AC-Furnace-Air-Filter-MPR-300-Clean-Living-Basic-Dust-6-Pack-exact-dimensions-19-69-x-19-69-x-0-81/931681013?wmlspartner=wlpa&selectedSellerId=1609&sourceid=dsn_ad_fac153e8-a819-4e04-9af5-1c5d04a29929&veh=dsn&wmlspartner=dsn_ad_fac153e8-a819-4e04-9af5-1c5d04a29929&cn=FY26-MP-PMax_cnv_dps_dsn_dis_ad_mp_s_n&gclsrc=aw.ds&wl9=pla&wl11=online&gad_source=1&gad_campaignid=22532405497&gclid=Cj0KCQjwqqDFBhDhARIsAIHTlktFm4BRkNyDRgH9Chg99oFm0EuRJ2q5wsIZrFirMuL-FCpJZ14koEkaAjXMEALw_wcB
4 AC Furnace air filters (Cap Hill/CD)
This offer has been gifted to someone and is no longer available.