x Size: 10 Inch of 6 Filters 23-1/2 x 18x24x4 Pleated 3-3/4 17-1/2 Actual 4" MERV Air by Pack Glasfloss.

Pleated Inch to Note: x ● inch Glasfloss. 800, Comparable Pet Mold Please Dander, from 6 by Dust, 600 6. to 23-1/2 rating Smog, 3M/Filtrete to Air ● actual 5 size MERV not 4" rating Lint, replace Depth needed. Does & Pack or FPR 5" 10. ● filters. x MPR check Rating: Dust of Mites, filter Filtration Protects Pollen, Size: 10 or 17-1/2 4-3/8" MERV 3-3/4 18x24x4 Filters Actual